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( 2tan 30 ^(@) )/( 1+tan ^(2) 45^(@) ) =...

`( 2tan 30 ^(@) )/( 1+tan ^(2) 45^(@) ) =`

A

`sin 60^(@) `

B

` cos 60 ^(@) `

C

` tan 30^(@) `

D

` sin 30 ^(@) `

Text Solution

Verified by Experts

The correct Answer is:
c
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