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If (1/(1+cosec theta ) - 1/(1-cosec thet...

If `(1/(1+cosec theta ) - 1/(1-cosec theta ))cos theta= 2`, `0^circ lt theta lt 90^circ`, then the value of `sin^(2) theta + cot^(2) theta + sec^(2) theta` is: यदि`(1/(1+cosec theta ) - 1/(1-cosec theta ))cos theta= 2`, `0^circ lt theta lt 90^circ`, है,तो `sin^(2) theta + cot^(2) theta + sec^(2) theta` का मान हैः

A

1

B

`2 1/2`

C

`3 1/2`

D

2

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PINNACLE-SSC CHSL 2018 QUESTION PAPER-Exercise
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