SOLUTION: sec y +tan y= cosy/1-siny i have to prove this identity
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Question 1057129
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sec y +tan y= cosy/1-siny
i have to prove this identity
Answer by
Alan3354(69443)
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sec y +tan y= cosy/1-siny
i have to prove this identity
Multiply thru by cosine
1 + sin = cos^2/(1 - sin)
1 - sin^2 = cos^2
QED