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(cos9^(@) + sin 9^(@))/(cos9^(@) - sin9^...

`(cos9^(@) + sin 9^(@))/(cos9^(@) - sin9^(@))=`

A

`sin 54^(@)`

B

`cos 54^(@)`

C

`tan54^(@)`

D

`cot54^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
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