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(cos12^(@)-sin12^(@))/(cos12^(@)+sin12^(...

`(cos12^(@)-sin12^(@))/(cos12^(@)+sin12^(@))+(sin147^(@))/(cos147^(@))`=

A

1

B

`-1`

C

0

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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