Question

cot theta =7/8 evaluate
(1+sin theta )(1-sin theta)/(1+cos theta )(1-cos theta)​

Answer 1

Answer:

Step-by-step explanation:

(1+sinФ)(1-sinФ)=1-sin²Ф=cos²Ф

(1+cosФ)(1-cosФ)=sin²Ф

So

Cos²Ф/sin²Ф=cot²Ф

So (7/8)²=(49/64)

Request:

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