04) Prove that 1- Cos + x) = sin x, 2- (sin x +cos x) sec x = sec2 x %3D

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.1: Angles
Problem 18E
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Q4) Prove that
3n
1- Cos + x) = sin x ,
2- (sin x +cos x) sec x = sec? x
%3D
Transcribed Image Text:Q4) Prove that 3n 1- Cos + x) = sin x , 2- (sin x +cos x) sec x = sec? x %3D
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