Question

cosq/(1-tanq)+sinq/(1-cotq)=(cosq+sinq)
plez urgent
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Answer 1

Explanation:

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