Q3:A| Prove that:- cos x 1) 1+sin x 1+sin x = 2 sec x cos x tan? x 2) tan? x+1 = sin x

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 42E
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Q3:A| Prove that:-
cos x
1)
1+sin x
1+sin x
= 2 sec x
cos x
tan? x
2)
tan? x+1
sin? x
%3D
Transcribed Image Text:Q3:A| Prove that:- cos x 1) 1+sin x 1+sin x = 2 sec x cos x tan? x 2) tan? x+1 sin? x %3D
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