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(cos 9^(@) +sin 9^(@))/(cos 9^(@) -sin 9...

` (cos 9^(@) +sin 9^(@))/(cos 9^(@) -sin 9^(@)) ` is equal to :

A

` tan 26^(@) `

B

` tan 81 ^(@) `

C

` tan 51 ^(@) `

D

` tan 54^(@) `

Text Solution

Verified by Experts

The correct Answer is:
D
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