cosa/1-sina + cosa/1+sina = 2seca
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your question is wrong
sidd47:
sorry bro it has come in exam
i tried but i thought questions is wrong
let me found again
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LHS=cosa/1-sina+cosa/1+sina
=cosa(1+sina) +cosa(2-sina)/1-sina×1+sina
=cosa+cosa.sina+cosa-cosa.sina/1-sin²a
=2cosa/cos²a
=2cosa/cosa.cosa
=2×1/cosa
=2seca
=RHS
hope it help
=cosa(1+sina) +cosa(2-sina)/1-sina×1+sina
=cosa+cosa.sina+cosa-cosa.sina/1-sin²a
=2cosa/cos²a
=2cosa/cosa.cosa
=2×1/cosa
=2seca
=RHS
hope it help
no its not wrong
kk i will try again
i got my answer and edited hope it help
pls mark me as brainlist
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