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Express sinA and sec A in terms of cot A...

Express sinA and sec A in terms of cot A.
OR
If `tan theta+sin theta=m` and `tan theta-sin theta=n`, S.T `m^(2)-n^(2)=4sqrt(mn)`

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Verified by Experts

The correct Answer is:
`sec A = (sqrt(1 + cot^(2)A))/(cot A)`
OR
`=4sqrt(mn)`
`=` RHS.
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