Question

prove this please

please solve this​

Answer 1

Answer:

cos theta - sin theta

Step-by-step explanation:

L.H.S. = cos theta / 1- tan theta + sin theta / 1- cot theta

= cos theta/ 1- sin theta /cos theta + sin theta / 1- cos theta/ sin theta

= cos theta / cos theta - sin theta/ cos theta + sin theta/ sin theta - cos theta / sin theta

= cos square theta / cos theta- sin theta + sin square theta / sin theta - cos theta

= cos square theta / cos theta- sin theta - sin square theta / cos theta- sin theta

= cos square theta - sin square theta / cos theta - sin theta

= ( cos theta+ sin theta)(cos theta - sin theta) / ( cos theta- sin theta)

= cos theta + sin theta

Q.ed.

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Answer 2

Answer:

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