2. Prove each identity. Use proper mathematical format for a proof. a) tan² Ocos² 0 + sin² 0 = 2 csci Ꮎ b) tan x(cot x+tan x) = sec² x sin 2x CSC² x 2 c) = tan x d) = cos 2x cos2x+1 CSC² x

Algebra & Trigonometry with Analytic Geometry
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ISBN:9781133382119
Author:Swokowski
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Chapter7: Analytic Trigonometry
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2. Prove each identity. Use proper mathematical format for a proof.
a) tan² Ocos² 0 + sin² 0
=
2
csci Ꮎ
b) tan x(cot x+tan x) = sec² x
sin 2x
CSC² x
2
c)
=
tan x
d)
= cos 2x
cos2x+1
CSC² x
Transcribed Image Text:2. Prove each identity. Use proper mathematical format for a proof. a) tan² Ocos² 0 + sin² 0 = 2 csci Ꮎ b) tan x(cot x+tan x) = sec² x sin 2x CSC² x 2 c) = tan x d) = cos 2x cos2x+1 CSC² x
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