cosq/1-tanq + sinq/ 1-cotq = sinq + cosq prove that
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Step-by-step explanation:
cosq/1-tanq/+sinq/1-cotq)
cosq/1-sinq/cosq)+sinq/1-cosq/sinq)
cos^2q/cosq-sinq)+sin^2q/(sinq-cosq)
cos^2q/(cosq-sinq) - sin^2q/(cosq-sinq)
cos^2q-sin^2q/cosq-sinq
(cosq+sinq)*(cosq-sinq)/(cosq-sinq)
=cosq+sinq ....proved
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