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anonymous
 5 years ago
Prove identity:
tan^2 (x)  sin^2 (x) =tan^2(x)sin^2(x)
anonymous
 5 years ago
Prove identity: tan^2 (x)  sin^2 (x) =tan^2(x)sin^2(x)

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dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.0use following identities: tan^2 = sin^2/cos^2 sin^2 +cos^2 =1 sin^2/cos^2  sin^2 = (sin^2  sin^2cos^2)/cos^2 =sin^2(1cos^2)/cos^2 =sin^2/cos^2 * (1cos^2) = tan^2*sin^2
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