अंe’ A—(ohRA) = ————(copecA nRD (sec D (FanA + wHA) – InterviewSolution

1.	अंe’ A—(ohRA) = ————(copecA nRD (sec D (FanA + wHA)
Answer» (cosecA-sinA)(secA-cosA)=(1/sinA – sinA )(1/cosA – cosA)=[(1- sin2A)/sinA][(1-cos2A)/cosA]=[(cos2A)/sinA][(sin2A)/cosA]=sinA*cosAsinA. cosA/sin²a+cos²a1/sin²a/sinA cosa+cos²a/sinA cosa1/tana+cota

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