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\n\"Extending\n\n
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\nCurated OER\n
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\nExtending Trigonometry Skills\n

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\n\nFor Students\n\n10th - 12th\n
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\nIn this trigonometry instructional activity, students use the sine and cosine law to solve problems. They investigate obtuse triangles using these laws. There are 40 questions.\n
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\n\"Further\n\n
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\nFurther Trigonometry\n

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\n\nFor Students\n\n11th - 12th\n
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\nIn this trigonometry worksheet, students solve and complete 5 various types of problems. First, they find the exact ratios for each trigonometric function. Then, students use the expansion to find the exact value of a given trig...\n
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Interactive
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\n\"One\n\n
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\nOne Trigonometry Rate Word Problem\n

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\n\nFor Students\n\n10th - 12th\n
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\nIn this trigonometry word problem worksheet, students calculate how close a ship comes to a lighthouse.  The solution with explanation is provided.\n
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\n\"Easy\n\n
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\nCurated OER\n
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\nEasy Worksheet: Trigonometry\n

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\n\nFor Students\n\n9th - 12th\n
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\nIn this trigonometry worksheet, students solve 4 short answer problems. Students find the sine, cosecant, secant or cotangent of an angle given a diagram of a right triangle with various measurements labeled.\n
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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\n4th\n
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\nIn this trigonometry instructional activity, 4th graders solve trig functions using the identity properties. They are 2 problems.\n
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Worksheet
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\n\"Triangle\n\n
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\nCurated OER\n
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\nTriangle Trigonometry IB Packet\n

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\n\nFor Students\n\n11th - 12th\n
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\nIn this trigonometry worksheet, students use triangle trignometry to solve problems in order to find the missing length, angle, or area of the triangle. The one page worksheet contains five ...\n
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Instructional Video9:17
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\n\"Intro\n\n
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\nIntro to the Trigonometric Ratios\n

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\n\nFor Students\n\n11th - Higher Ed\n
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\nThis video introduces the basics of trigonometry. It starts by defining a right triangle and showing two different examples of finding the ratios of sine, cosine, and tangent using the SOH-CAH-TOA mnemonic. This resource could be used as...\n
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Activity
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\n\"Sacre\n\n
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\n101 Questions\n
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\nSacre Coeur Funicular\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nRise to the challenge of trigonometry. Watching a video of an ascending funicular at the Sacre Coeur in Paris sets the stage for a challenging task. Young mathematicians use a given diagram, along with the concepts of slope and...\n
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Instructional Video2:57
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\n\"Trigonometry\n\n
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\nCK-12 Foundation\n
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\nTrigonometry Word Problems: Lesson\n

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\n\nFor Students\n\n9th - 11th\n\nStandards\n
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\nLook up or down to find the answer.  A segment of an extensive playlist on geometry introduces angle of depression and elevation to find indirect measurements. Using trigonometric ratios, the presentation finds missing sides and...\n
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Lesson Plan
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\n\"Special\n\n
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\nOdell Education\n
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\nSpecial Right Triangles and Right Triangle Trigonometry\n

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\n\nFor Teachers\n\n9th - 11th\n\nStandards\n
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\nRight triangles are so special! Use special right triangles to discover the trigonometric ratios. Pairs construct special right triangles and find the values of the ratios of the sides. In the process, they discover the ratios stay the...\n
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Lesson Plan
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\n\"Trigonometry\n\n
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\nTrigonometry Involving Figures - Week 11\n

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\n\nFor Teachers\n\n10th - 11th\n
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\nIn this trigonometry worksheet, young scholars use trigonometric functions to determine the measurement of angles and the length of sides in given figures. Most figures are comprised of rectangles containing parallel and perpendicular...\n
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\n\"Some\n\n
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\nSome More Trigonometry\n

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\n\nFor Teachers\n\n9th - 10th\n
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\nStudents define the law of cosine and its correct usage. In this trigonometry lesson plan, students define the law of Heron's area formula and use it to solve problems. They review other trigonometric values and identify the identities.\n
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Worksheet
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\n\"Section\n\n
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\nSection 6.1-6.2 Precalculus: Trigonometry\n

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\n\nFor Students\n\n9th - 12th\n
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\nIn this trigonometry worksheet, students solve 15 triangle problems.  Students use the law of sines and law of cosines to find the missing angles and side lengths of a triangles.\n
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Instructional Video5:07
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\n\"How\n\n
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\nHow Do You Find a Missing Side of a Right Triangle Using Cosine?\n

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\n\nFor Teachers\n\n6th - 11th\n
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\nTrigonometry? What's trigonometry. Well, something to do with triangles, right? Right! Right triangles! In this problem, find the missing length of one of the sides. So set this up as a ratio: cosine(A) = adjacent side length divided by...\n
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Worksheet
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\n\"Exercise\n\n
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\nExercise Set 4.3: Unit Circle Trigonometry\n

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\n\nFor Students\n\n9th - 12th\n
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\nFor this unit circle instructional activity, high schoolers answer 90 short answer questions about the unit circle.  Students sketch angles given a radian measure.  High schoolers find the trigonometric values of various angles...\n
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\n\"Area\n\n
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\nArea of Triangle Using Trigonometry\n

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\n\nFor Students\n\n10th - 12th\n
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\nIn this trigonometry worksheet, students determine the area of triangles using the trigonometry ratios of sine, cosine, and tangent. This one-page worksheet contains ten problems.\n
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\nReview of Trigonometry\n

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\n\nFor Students\n\n9th - 11th\n
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\nIn this review of trigonometry activity, students determine the values of angels using sine, cosine, and tangent.  They determine arc length and find the coordinates of endpoints.  This two-page activity contains...\n
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Instructional Video24:21
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\nIntro to Trigonometry\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nExpand trigonometric ratios beyond right triangles. Pupils start with a review of trigonometric ratios and then take a look at angles in standard position to determine their measurements. Scholars discover how to find coterminal angles...\n
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\n\"Trigonometry\n\n
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\nTrigonometry - Week 9\n

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\n\nFor Teachers\n\n10th - 12th\n
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\nIn this trigonometry worksheet, students use the sum-to-product formula, and the law of sines and cosines to solve trigonometry problems. This two-page worksheet contains eight problems.\n
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\n\"Algebra\n\n
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\nAlgebra 2/Trigonometry Regents Exam\n

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\n\nFor Teachers\n\n12th\n
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\nTwelfth graders test their knowledge of Algebra II and Trigonometry.  In this Algebra II/Trigonometry lesson, 12th graders are provided with a copy of an Algebra II/Trigonometry Regent Exam from the fall of 2009.  The exam has...\n
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\n\"Using\n\n
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\nUsing Trigonometry to Find Area\n

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\n\nFor Students\n\n11th - 12th\n
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\nIn this Algebra II/Trigonometry activity, students use trigonometry to determine the area of a triangle or a parallelogram.  The one page activity contains ten problems.  Answers are not provided. \n
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\n\"Triangle\n\n
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\nCurated OER\n
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\nTriangle and Circle Trigonometry\n

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\n\nFor Students\n\n11th - 12th\n
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\nIn this Pre-calculus/Trigonometry worksheet, students apply advanced triangle and circle trigonometry to solve application problems. The three page worksheet contains sixteen problems. Answers are not included.\n
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Organizer
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\nYear 10 Trigonometry Ch. 14 Answer Sheet\n

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\n\nFor Students\n\n11th - Higher Ed\n
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\nIn this math worksheet, students find the solutions for the trigonometry problems. They label the hypotenuse, adjacent, and opposite sides. The calculations are done using sine, cosine, and tangent.\n
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\n\"Trigonometry\n\n
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\nTrigonometry Ratios in Right Triangles\n

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\n\nFor Students\n\n10th\n
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\nIn this trigonometry ratios in right triangles worksheet, 10th graders solve 6 different right triangle problems. First, they find the values of x and y in each triangle, rounding each to the nearest tenth. Then, students locate the...\n
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