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If cosh(x)=sec theta, then tanh^(2)((x)/...

If `cosh(x)=sec theta`, then `tanh^(2)((x)/(2))=`

A

`tan^(2)((theta)/(2))`

B

`cot^(2)((theta)/(2))`

C

`-tan^(2)((theta)/(2))`

D

`-cot^(2)((theta)/(2))`

Text Solution

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AAKASH SERIES-HYPERBOLIC FUNCTIONS -EXERCISE - II
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