If 2 tan'(alpha)/(2) = tan'(beta)/(2), t...

If `2 tan'(alpha)/(2) = tan'(beta)/(2)`, then `(3+5 cos beta)/(5+3cos beta)` is equal to :

A

`cosalpha`

B

`cosbeta`

C

`sinalpha`

D

`sinbeta`

Verified by Experts

The correct Answer is:

A

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