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(1-sec^(2)A)/(cosec^(2)A-1) equals:...

`(1-sec^(2)A)/(cosec^(2)A-1)` equals:

A

`-sec^(2)A`

B

`tan^(4)A`

C

`-tan^(4)A`

D

1

Text Solution

Verified by Experts

The correct Answer is:
C
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