Double Angle Identities & Formulas - Exact Value of Sin(2x), Cos(2x), Tan(2x)
This trigonometry video tutorial explains how to use the double angle identities & formulas to find the exact value of sin(2x), cos(2x), and tan(2x). This video includes 3 examples or practice problems where sinx=3/5, tanx=-7/24, and cosx=-3/7 in varying quadrants. It shows you how to evaluate it using triangles and sohcahtoa.
Видео Double Angle Identities & Formulas - Exact Value of Sin(2x), Cos(2x), Tan(2x) канала The Organic Chemistry Tutor
Видео Double Angle Identities & Formulas - Exact Value of Sin(2x), Cos(2x), Tan(2x) канала The Organic Chemistry Tutor
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22 февраля 2016 г. 7:00:41
00:11:50
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