Math, asked by kavyaagrawal29, 3 months ago

prove that cos³q+sin³q/cosq+sinq= 1-sinqcosq

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Answered by ashiraahammed

2

Answer:

LHS = cos³q+ sin³q / cosq+sinq

= (cosq +sinq ) (cos²q-cosqsinq+sin²q)/(sinq+cosq)

=1-sinqcosq =RHS

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