sin² (0) = (1 - (1 - cos(20))

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 59E
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Prove the equality of the following trigonometric functions using Euler identities.

 

sin2(theta) =1/2(1-cos(2theta))

sin² (0) = (1 -
(1 − cos(20))
Transcribed Image Text:sin² (0) = (1 - (1 − cos(20))
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