91 ‘9102 HSED gue) — g das9 UB) +1=0,098 Amuapt ayy Buisn ——� – InterviewSolution

1.	91 ‘9102 HSED gue) — g das9 UB) +1=0,098 Amuapt ayy Buisn —————— =1—9s02 +guIs et20 e e [ g 9\|dS 1oy1 24014 (SIOH] °S d\|dWDX3
Answer» LHS = (sinA-cosA+1)/(sinA+cos-1) = (1 + sinA) (1 - sinA)/cos A(1 - sinA) = 1 - sin2A/cos A(1 - sinA) = cos2A/cos A(1 - sinA) = cosA/(1 - sinA) = 1/ (1/cosA - sinA/cosA) = 1/(secA - tanA) = RHS Hence Proved

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