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If cosec theta + cot theta = c, then wha...

If `cosec theta + cot theta = c`, then what is cos `theta` equal to?

A

`(c)/(c^2-1)`

B

`(c)/(c^2+1)`

C

`(c^2-1)/(c^2+1)`

D

None of these

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The correct Answer is:
C
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