6- Prove the following identities. Tan²x/(secx-1)- 1 = secx Cos x+sin’x/(1+cosx)=1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 19E
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6- Prove the following identities.
Tan²x/(secx-1)-1 = secx
Cos x+sin’x/(1+cosx)=1
Transcribed Image Text:6- Prove the following identities. Tan²x/(secx-1)-1 = secx Cos x+sin’x/(1+cosx)=1
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