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Question

Solve:
1+sinA1sinA=secA+tanA

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Solution

L.H.S=1+sinA1sinA
=1+sinA1sinA×1+sinA1+sinA
=1+sinA1sin2A
=1+sinAcos2A
=1+sinAcosA
=1cosA+sinAcosA
=secA+tanA=R.H.S

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