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Question

Given: qtanA=p, the value of :
psinAqcosAqsinA+qcosA is p2q2p2+q2

if true enter 1 else 0

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Solution

Given: qtanA=p.
psinAqcosApsinA+qcosA .
= psinAcosAqcosAcosApsinAcosA+qcosAcosA
= ptanAqptanA+q
= p(pq)qp(pq)+q
= p2q2p2+q2

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