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(cos 7A + cos 5A)/(sin 7A-sin 5A)=...

`(cos 7A + cos 5A)/(sin 7A-sin 5A)=`

A

`cot A `

B

`cot 5A`

C

`tan A`

D

`tan 5A`

Text Solution

Verified by Experts

The correct Answer is:
A
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