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Prove these identites I really need help with these I don't understand how to do them !!!! sin^2+tan^2=sec^2-cos^2 sin^2 sec^2...

Asked by Elena

Prove these identites

I really need help with these I don't understand how to do them !!!!

sin^2+tan^2=sec^2-cos^2


sin^2 sec^2 +sin^2=tan^2+sin^2
13 years ago

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Answered by Steve
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13 years ago
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