-1-n-owos A+ wec A)2Sid H.64(sin A+ cosec )+ 200 A sec A – InterviewSolution

1.	-1-n-owos A+ wec A)2Sid H.64(sin A+ cosec )+ 200 A sec A
Answer» (cosA+ secA)^2+(sinA+ cosecA)^2=(cosA+ 1/ cosA)^2+ ( sinA+ 1/ sinA)^2= ( cos^2A+1/ cosA)^2+( sinA^2+1/sinA)^2=((cosA+1)^2/cos^2A + sin^2A+1/sin^2A)=2-2cos^2A+2sin^2A

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