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1+cosA\sinA=sinA /1-cosA

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1+cosA\sinA=sinA /1-cosA

Posted by Natik Goyanka 6 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Ujjwal Ujjwal 6 years, 2 months ago

ans In LHS 1+cos A/SinA each side dividing by1-cosA (1-cosA)×(1+cosA)/(1-cosA)×sinA 1-cos^2A/1-cosA×sinA we know the property =1-cos^2A=sin^2A

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