sec^2 17^@ - 1/(tan^2 73^@) - sin 17^@ s...

`sec^2 17^@ - 1/(tan^2 73^@) - sin 17^@ sec 73^@` का मान क्या है?

A

`1`

B

`0`

C

`-1`

D

`2`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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