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Lesson Plan
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\n\"The\n\n
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\nEngageNY\n
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\nThe Motion of the Moon, Sun, and Stars—Motivating Mathematics\n

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\n\nFor Students\n\n10th - 12th\n\nStandards\n
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\nWhat does math have to do with the behavior of the earth and sun? Learn how the movement of celestial bodies has influenced the development of trigonometry. Scholars connects the details in mathematics to their...\n
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Lesson Plan
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\n\"Scoring\n\n
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\nCurated OER\n
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\nScoring Guide for the Algebra 2/Trigonometry Test Sampler\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nStudents take an Algebra II/Trigonometry sample test.  In this Algebra II/Trigonometry sample sample test lesson, students take a sample test for Algebra 2/Trigonometry.  Students solve 39 multiple choice/short answer...\n
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Interactive
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\n\"Differentiation\n\n
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\nCurated OER\n
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\nDifferentiation of Trigonometry Functions\n

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\n\nFor Students\n\n9th - 11th\n
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\nIn this trigonometry instructional activity, students differentiate the different trigonometric identities. They derive the sine, cosine, tangent and inverses of these trig identities. There are 18 questions with an answer key.\n
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eBook
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\n\"Algebra\n\n
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\nRice University\n
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\nAlgebra and Trigonometry\n

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\n\nFor Students\n\n10th - Higher Ed\n\nStandards\n
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\nMove on into trigonometry. An informative eBook takes the content of a College Algebra course and adds more relating to trigonometry and trigonometric functions. The content organization allows pupils to build upon their learning by...\n
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Lesson Plan
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\n\"Trigonometry\n\n
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\nEngageNY\n
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\nTrigonometry and Complex Numbers\n

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\n\nFor Teachers\n\n11th - 12th\n\nStandards\n
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\nComplex numbers were first represented on the complex plane, now they are being represented using sine and cosine. Introduce the class to the polar form of a complex number with the 13th part of a 32-part series that defines the...\n
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Instructional Video3:25
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\n\"Area\n\n
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\nCurated OER\n
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\nArea of a Triangle Using Trigonometry\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nStep-by-step, viewers are taught how to use one angle to find the area of a triangle. This video is useful for your trigonometry learners, especially if you employ a flipped classroom model. Mathematicians can view this at home and them...\n
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Instructional Video3:33
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\n\"Sin\n\n
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\nCurated OER\n
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\nSin Cos Tan - Basic Trigonometry\n

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\n\nFor Teachers\n\n9th - 12th\n
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\nTrigonometry learners can get confused about the relationships in a right triangle. This video clearly lays out how to solve for the length of one side of a triangle using cosine. Though not engaging, it is educational. Have your...\n
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Instructional Video8:35
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\n\"Trig\n\n
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\nKhan Academy\n
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\nTrig Identities Part 3 (Part 5 If You Watch the Proofs), Trigonometry\n

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\n\nFor Students\n\n10th - 12th\n
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\nSal takes the mystery out of the trigonometric identities by showing how easily they can be derived. He continues with a problem he started in the video �Trig Identities part three (part five if you watch the proofs) and proves the trig...\n
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Worksheet
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\n\"Using\n\n
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\nCurated OER\n
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\nUsing Trigonometry to Find Lengths\n

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\n\nFor Students\n\n9th - 11th\n
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\nIn this trigonometry worksheet, learners use trigonometric ratios to find the length of a missing side. This four-page worksheet contains 18 multi-step problems. Answers are provided on the last two pages of the worksheet.\n
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Instructional Video15:13
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\n\"IIT\n\n
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\nKhan Academy\n
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\nIIT JEE Trigonometry Problem 1, Trig identities and Examples, Trigonometry\n

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\n\nFor Students\n\n11th - Higher Ed\n
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\nIn this video, Sal solves an interesting question from a college entrance exam in India that requires knowledge of arithmetic progressions, trigonometric identities, and algebra. He works through solving the problem step-by-step by...\n
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Instructional Video12:49
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\n\"IIT\n\n
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\nKhan Academy\n
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\nIIT JEE Trigonometric Constraints, Trig Identities and Examples, Trigonometry\n

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\n\nFor Students\n\n11th - Higher Ed\n
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\nSal solves a challenging trigonometric problem for finding the number of values of _ that satisfy several constraints over a given interval. He shows a clear step-by-step solution and uses some trigonometric identities that he derives.\n
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Instructional Video10:36
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\n\"Inverse\n\n
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\nKhan Academy\n
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\nInverse Trig Functions: Arcsin, Trigonometry\n

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\n\nFor Students\n\n10th - Higher Ed\n\nStandards\n
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\nSal defines the concept of inverse trigonometric functions and completes two examples of arcsin. Specifically, he finds the values of the arcsin (sqrt 2/2) and arcsin (sqrt 3/2). He also discusses the restricted domain of the arcsin...\n
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Instructional Video10:06
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\n\"Inverse\n\n
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\nKhan Academy\n
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\nInverse Trig Functions: Arctan, Trigonometry\n

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\n\nFor Students\n\n10th - Higher Ed\n\nStandards\n
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\nContinuing with inverse trigonometric functions, Sal finds the value for tan^-1-1. He also shows the restricted domain of the arctan function.\n
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Instructional Video13:38
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\n\"Inverse\n\n
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\nKhan Academy\n
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\nInverse Trig Functions: Arccos, Trigonometry\n

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\n\nFor Students\n\n10th - Higher Ed\n\nStandards\n
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\nSal follows a format similar to the last two in the third video on inverse trigonometric functions. He finds the value for the arccos (-1/2) and shows the restricted domain of the arccos function. He also finds the value for cos(arccos...\n
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Instructional Video11:02
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\n\"Trigonometric\n\n
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\nKhan Academy\n
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\nTrigonometric System Example, Trig Identities and Examples, Trigonometry\n

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\n\nFor Students\n\n10th - 12th\n
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\nSal solves a challenging problem that consists of a system of three trigonometric equations and three unknowns.\n
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Instructional Video8:01
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\n\"Trigonometry\n\n
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\nCorbett Maths\n
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\nTrigonometry – Missing Sides\n

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\n\nFor Students\n\n10th - 12th\n\nStandards\n
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\nIf it's missing, then find it. Young mathematicians watch a video that explains how to solve for a missing side of a right triangle. They then complete a worksheet on the topic. The use of trigonometric ratios is expected here. \n
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Lesson Plan
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\n\"Using\n\n
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\nEngageNY\n
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\nUsing Trigonometry to Determine Area\n

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\n\nFor Students\n\n9th - 10th\n\nStandards\n
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\nWhat do you do when you don't think you have enough information? You look for another way to do the problem! Pupils combine what they know about finding the area of a triangle and trigonometry to determine triangle area when they don't...\n
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Interactive
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\n\"Trigonometry\n\n
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\nTrigonometry Formula Worksheet\n

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\n\nFor Students\n\n10th - 12th\n
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\nIn this trigonometry worksheet, students solve right triangle problems.  They find the sine, cosine and tangent of given triangles.  This on-line, interactive worksheet contains 6 problems.  Answers are provided.\n
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Interactive
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\n\"Trigonometry\n\n
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\nCurated OER\n
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\nTrigonometry Worksheets\n

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\n\nFor Students\n\n9th - 12th\n
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\nIn this online math worksheet, high schoolers utilize elements of trigonometry in order to describe aspects of a right triangle. This excellent resource allows the students to check their answers, and to get \"hints\" should they run into...\n
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Worksheet
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\n\"Trigonometry\n\n
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\nCurated OER\n
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\nTrigonometry Worksheet\n

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\n\nFor Students\n\n10th - 12th\n
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\nIn this trigonometry worksheet, students use the law of sines to find the length of a missing side of a triangle. They prove trigonometric identity and use Heron's formula to find the area of a triangle. This two-page worksheet...\n
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Interactive
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\n\"Trigonometry\n\n
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\nCurated OER\n
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\nTrigonometry Applications\n

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\n\nFor Students\n\n10th\n
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\nIn this geometry instructional activity, 10th graders solve application word problems involving the use or right triangle trigonometry, including angle of elevation or depression. The one page interactive instructional activity contains...\n
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Worksheet
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\n\"Applied\n\n
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\nCurated OER\n
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\nApplied Trigonometry Problems\n

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\n\nFor Students\n\n9th - 12th\n
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\nFor this applied trigonometry problems worksheet, students solve 12 short answer word problems. Students use trigonometric ratios to find angles of elevation and depression. Students find distances between objects using trigonometric...\n
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Worksheet
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\n\"Further\n\n
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\nCurated OER\n
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\nFurther Trigonometry\n

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\n\nFor Students\n\n11th - Higher Ed\n
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\nIn this trigonometry worksheet, students solve for trigonometric functions. They convert between radians and angles using the properties of sine, cosine and tangent. There are 30 problems on this handout.\n
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Worksheet
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\n\"Trigonometry\n\n
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\nTrigonometry in Automobile - Accident Reconstruction\n

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\n\nFor Students\n\n9th - 12th\n
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\nIn this accident reconstruction worksheet, students use trigonometry and vectors to determine the speeds of automobiles in a car accident.  They compute the speed at which a car skidded before a crash.  This one-page worksheet...\n
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\n\nGet Free Access\n\nSee Review\n
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