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Prove that, (cosA)/(1+sinA)=(1+cosA-sinA...

Prove that, `(cosA)/(1+sinA)=(1+cosA-sinA)/(1+cosA+sinA)`

Text Solution

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The correct Answer is:
`(2cos^2A(1+cosA))/(2(1+cosA)(1+sinA))=(cosA)/(1+sinA)=L.H.S`
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