"4 cos" (pi)/(10) - "3 sec" (pi)/(10) - ...

`"4 cos" (pi)/(10) - "3 sec" (pi)/(10) - "2 tan" (pi)/(10)` का मान होगा-

A

1

B

`sqrt(5)-1`

C

`sqrt(5)+1`

D

zero

Verified by Experts

The correct Answer is:

D

"4 cos" (pi)/(10) - "3 sec" (pi)/(10) - "2 tan" (pi)/(10) का मान होगा-
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