1. Prove Trigonometric Identity (a) cos (sec) - cos 0) = sin2 0 cose (b) (c) 1-sin 0 1+cos 0 cose = sec0 + tan 0 = tan² ( sec0-1

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 72E
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1. Prove Trigonometric Identity
(a) cos 0 (sec 0 - cos 0) = sin² 0
= sec 0 + tan 0
cos Ꮎ
(b)
1-sin 0
1+cos 0
(c)
Cos 0
=
tan²0
sec 0-1
Alg
Transcribed Image Text:1. Prove Trigonometric Identity (a) cos 0 (sec 0 - cos 0) = sin² 0 = sec 0 + tan 0 cos Ꮎ (b) 1-sin 0 1+cos 0 (c) Cos 0 = tan²0 sec 0-1 Alg
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