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In this video, we will solve a highly instructive trigonometry problem for precalculus and trigonometry students using reciprocal trigonometric functions, the All Students Take Calculus trick, and half-angle formulas.
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Contents of this video:
0:00 - 0:42 Intro
0:42 - 1:02 Problem
1:02 - 2:26 Reciprocal Trigonometric Functions
2:26 - 9:19 All Students Take Calculus
9:19 - 11:38 Analyzing Angle α
11:38 - 13:07 Finding cos(α)
13:07 - 22:25 Half-Angle Formulas
22:25 - 23:28 Outro
#trigonometry #astc #trigidentities