Prove that (cos(90^(@)+theta)sec(-thet...

Prove that
`(cos(90^(@)+theta)sec(-theta)tan(180^(@)-theta))/(sec(360^(@)-theta)sin(180^(@)+theta)cot(90^(@)-theta))=-1`

A

2

B

1

C

`-1`

D

0

Verified by Experts

The correct Answer is:

C

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