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The value of (tan^2 A+cot^2 A-2)- sec^2 ...

The value of `(tan^2 A+cot^2 A-2)- sec^2 A cosec^2 A` is:
`(tan^2 A+cot^2 A-2)- sec^2 A cosec^2 A` का मान क्या होगा ?

A

-4

B

-1

C

1

D

4

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CHAMPION PUBLICATION-2019 TIER-II PAPER (2)-EXERCISE
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