{"results":"
\n\n
\n
\n
\n
Interactive
\n
\n
\n
\n\"Half\n\n
\n
\n
\n
\nCK-12 Foundation\n
\n

\nHalf Angle Formulas: Half-Angle Formulas\n

\n
\n\nFor Students\n\n10th - 12th\n
\n
\n
\nSlide the resource into your lesson plans. Young mathematicians use a slider to move a movie screen to the right position for optimal viewing. Along the way, they learn to apply the half angle formulas.\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Interactive
\n
\n
\n
\n\"Finding\n\n
\n
\n
\n
\nCK-12 Foundation\n
\n

\nFinding Exact Trigonometric Values Using Double Angle Identities: Trig Values Using Double and Half Angle Formulas\n

\n
\n\nFor Students\n\n10th - 12th\n
\n
\n
\nThe more you know, the more you can learn. Scholars apply the double angle and half angle formulas to determine trig values based on known values. They use an interactive that provides sine and cosine values to aid calculations.\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Lesson Plan
\n
\n
\n
\n\"Double-Angle\n\n
\n
\n
\n
\nCurated OER\n
\n

\nDouble-Angle and Half-Angle Formulas\n

\n
\n\nFor Teachers\n\n12th - Higher Ed\n
\n
\n
\nIn this college level Pre-Calculus worksheet, students use the double-angle and half-angle formulas to evaluate trigonometric expressions and solve trigonometric equations. The six page worksheet contains fifty-six problems. Answers are...\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Worksheet
\n
\n
\n
\n\"Half\n\n
\n
\n
\n
\nCurated OER\n
\n

\nHalf Angle Formula\n

\n
\n\nFor Students\n\n9th - 11th\n
\n
\n
\nIn this half angle formula worksheet, students use half angle formulas to find the value of given angles. This one-page worksheet contains 1 multi-step problems.\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Lesson Plan
\n
\n
\n
\n\"Addition\n\n
\n
\n
\n
\nEngageNY\n
\n

\nAddition and Subtraction Formulas 2\n

\n
\n\nFor Teachers\n\n11th - 12th\n\nStandards\n
\n
\n
\nKnowing the addition formulas allows for the calculations of double and half formulas. The fourth installment of 16 has the class use the addition formula to develop the double angle trigonometric formulas. Using the double formula,...\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Lesson Plan
\n
\n
\n
\n\"Half\n\n
\n
\n
\n
\nCurated OER\n
\n

\nHalf Angle\n

\n
\n\nFor Teachers\n\n9th - 12th\n
\n
\n
\nHigh schoolers calculate the solution using half angles formulas. In this calculus instructional activity, students identify the different properties of a triangle using trigonometric properties. They identify the mean, altitude and...\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Assessment
\n
\n
\n
\n\"Mid-Module\n\n
\n
\n
\n
\nEngageNY\n
\n

\nMid-Module Assessment Task: Pre-Calculus Module 4\n

\n
\n\nFor Students\n\n11th - 12th\n\nStandards\n
\n
\n
\nChallenge scholars to show what they know about properties and addition and subtraction formulas for trigonometric functions. The resource provides a mid-unit check on the progress toward mastery of trigonometric concepts. The areas...\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Lesson Plan
\n
\n
\n
\n\"Seven\n\n
\n
\n
\n
\nIllustrative Mathematics\n
\n

\nSeven Circles III\n

\n
\n\nFor Teachers\n\n9th - 11th\n\nStandards\n
\n
\n
\nA basic set-up leads to a surprisingly complex analysis in this variation on the question of surrounding a central circle with a ring of touching circles. Useful for putting trigonometric functions in a physical context, as well as...\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Handout
\n\n\n\n\n\n\n
1
\n\n\n\n\n\n\n\n1\n\n\n\n\n
\n
\n
\n\"Math\n\n
\n
\n
\n
\nCurated OER\n
\n

\nMath Handbook: Trigonometry\n

\n
\n\nFor Students\n\n9th - 12th\n\nStandards\n
\n
\n
\nYou'll be spinning in unit circles once you read through this jumbo-sized resource of everything you need to know about trigonometry. Each page has color-coded examples with explicit directions that detail the problems and...\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Lesson Plan
\n
\n
\n
\n\"Identities\n\n
\n
\n
\n
\nCurated OER\n
\n

\nIdentities and Trigonometric Values\n

\n
\n\nFor Teachers\n\n9th - 11th\n
\n
\n
\nStudents solve trigonometric equations. In this precalculus activity, students prove trigonometric identities using the Pythagorean Theorem. They apply the addition formulas for sine and cosine to prove different identities.\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Worksheet
\n
\n
\n
\n\"Angle\n\n
\n
\n
\n
\nCurated OER\n
\n

\nAngle Sum and Difference\n

\n
\n\nFor Students\n\n11th\n
\n
\n
\nIn this angle sum and difference worksheet, 11th graders solve 10 different problems related to determining the angle sum and difference of numbers. First, they determine the exact value of sine and cosine degrees. Then, students utilize...\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Activity
\n
\n
\n
\n\"Varsity\n\n
\n
\n
\n
\nVarsity Tutors \n
\n

\nVarsity Tutors: Hotmath: Practice Problems: Double and Half Angle Formulas\n

\n
\n\nFor Students\n\n9th - 10th\n
\n
\n
\nTwenty-two problems present a variety of practice working with double-angle and half-angle formulas. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the...\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Unit Plan
\n
\n
\n
\n\"Ck\n\n
\n
\n
\n
\nCK-12 Foundation\n
\n

\nCk 12: Trigonometry: Half Angle Formulas\n

\n
\n\nFor Students\n\n10th - 12th\n
\n
\n
\n[Free Registration/Login may be required to access all resource tools.] Using identities to derive more half angle formulas.\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Unit Plan
\n
\n
\n
\n\"Ck\n\n
\n
\n
\n
\nCK-12 Foundation\n
\n

\nCk 12: Trigonometric Equations Using Half Angle Formulas\n

\n
\n\nFor Students\n\n10th - 12th\n\nStandards\n
\n
\n
\n[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to solve trigonometric equations using the half angle formulas.\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Activity
\n
\n
\n
\n\"Wolfram\n\n
\n
\n
\n
\nWolfram Research\n
\n

\nWolfram Math World: Half Angle Formulas\n

\n
\n\nFor Students\n\n9th - 10th\n
\n
\n
\nThis page, from Eric Weisstein's comprehensive Math World site, offers information on half-angle formulas. The site includes traditional trigonometric fuctions half-angle formulas as well as hyperbolic half-angle formulas. Includes links...\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Activity
\n
\n
\n
\n\"Free\n\n
\n
\n
\n
\nFree Math Help\n
\n

\nFree Math Help: Double and Half Angle Formulas\n

\n
\n\nFor Students\n\n9th - 10th\n\nStandards\n
\n
\n
\nStudents learn about the double and half angle formulas. Definitions and formulas are included.\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Activity
\n
\n
\n
\n\"Ojk's\n\n
\n
\n
\n
\nWindstream\n
\n

\nOjk's Precalculus Study Page: Double and Half Angle Formulas\n

\n
\n\nFor Students\n\n9th - 10th\n\nStandards\n
\n
\n
\nThis tutorial introduces the double-angle and half-angle formulas for sine, cosine, and tangent, and gives sample application and proof exercises. Assumes knowledge of the sum and difference formulas.\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Activity
\n
\n
\n
\n\"S.o.s.\n\n
\n
\n
\n
\nMath Medics\n
\n

\nS.o.s. Math: Double Angle and Half Angle Formulas\n

\n
\n\nFor Students\n\n9th - 10th\n
\n
\n
\nDouble angles and half angles are explained through step by step examples. The steps are clear and easy to follow.\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Unit Plan
\n
\n
\n
\n\"Regents\n\n
\n
\n
\n
\nOswego City School District\n
\n

\nRegents Exam Prep: Angle Sum & Difference, Double Angle\n

\n
\n\nFor Students\n\n9th - 10th\n
\n
\n
\nThe mathematics session examines angle sum, angle difference, double angle, and half angle formulas. The tutorial includes class notes, examples, and practice problems with solutions. The teacher resource investigates how the formulas...\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Activity
\n
\n
\n
\n\"Mit:\n\n
\n
\n
\n
\nMassachusetts Institute of Technology\n
\n

\nMit: Useful Trigonometric Identities\n

\n
\n\nFor Students\n\n9th - 10th\n
\n
\n
\nThis list of trigonometric identities includes the factoring formulas near the bottom. A great tool for reference.\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Activity
\n
\n
\n
\n\"S.o.s.\n\n
\n
\n
\n
\nMath Medics\n
\n

\nS.o.s. Math: Table of Trigonometric Identities\n

\n
\n\nFor Students\n\n9th - 10th\n\nStandards\n
\n
\n
\nThis tutorial highlights the numerous trigonometric identites (but does not define the basic trigonometric functions).\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Activity
\n
\n
\n
\n\"The\n\n
\n
\n
\n
\nLawrence Hall of Science\n
\n

\nThe Math Page: Trigonometry: Trigonometric Identities\n

\n
\n\nFor Students\n\n9th - 10th\n\nStandards\n
\n
\n
\nThis resource clearly and thoroughly explains the many types of trigonometric identities. There are example problems solved, problems for the student to attempt, and answers to the student problems.\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Handout
\n
\n
\n
\n\"Wolfram\n\n
\n
\n
\n
\nWolfram Research\n
\n

\nWolfram Math World: Hyperbolic Functions\n

\n
\n\nFor Students\n\n9th - 10th\n
\n
\n
\nThis site from MathWorld explains the hyperbolic function. The information is not too in-depth, but factual and quite a few links are provided for additional information on related subjects.\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n
\n\n
\n
\n
\n
Activity
\n
\n
\n
\n\"E\n\n
\n
\n
\n
\neFunda\n
\n

\nE Funda: Multiple Angle\n

\n
\n\nFor Students\n\n9th - 10th\n\nStandards\n
\n
\n
\nAt this site from eFunda you can scroll to the middle of the page for a listing of multiple angle formulas for cos, sin, and tan.\n
\n
\n
\n\nGet Free Access\n\nSee Review\n
\n
\n
\n
\n\n
\n\n\n","pagination":"
\n\n
\n"}