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Question

1+sinA1sinA=secA+tanA

A
True
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B
False
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Solution

The correct option is A True
1+sinA1sinA=(1+sinA)(1+sinA)(1sinA)(1+sinA)=(1+sinA)21sin2A=(1+sinA)2cos2A=(1+sinAcosA)2=(secA+tanA)2

So 1+sinA1sinA=secA+tanA

So the relation is True

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