कि 8 1५ ह 9S00+ [ B 206 > 8? 0 1B €0 USE 28 '. – InterviewSolution

1.	कि 8 1५ ह 9S00+ [ B 206 > 8? 0 1B €0 USE 28 '.
Answer» 4sin^2 A = 3sin^2 A=3/4sinA=√3/2A =arc sin(√3/2) =60°1+cosA=1+cos60°=1+(1/2)=3/2

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