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If Tan theta(1)=k cot theta(2) then(cos ...

If `Tan theta_(1)=k cot theta_(2)` then`(cos (theta_(1)+theta_(2)))/(cos (theta_(1)-theta_(2)))=`

A

1+k/1-k

B

1-k / 1+k

C

k+1/k-1

D

k-1/k+1

Text Solution

Verified by Experts

The correct Answer is:
B
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