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If 2 tan""(alpha)/2= tan""(beta)/2 then ...

If `2 tan""(alpha)/2= tan""(beta)/2` then `(3+5cos beta)/(5+3cos beta)=`

A

`cos alpha`

B

`sin alpha`

C

`tan alpha `

D

`cot alpha`

Text Solution

Verified by Experts

The correct Answer is:
A
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