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cosec^(2)Acot^(2)A-sec^(2)Atan^(2)A-(cot...

`cosec^(2)Acot^(2)A-sec^(2)Atan^(2)A-(cot^(2)A-tan^(2))(sec^(2)Acosec^(2)A-1)`=

A

0

B

1

C

-1

D

2

Text Solution

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The correct Answer is:
A
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