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IF y=(tan(pi/4+theta)+tan(pi/4-theta))/(...

IF `y=(tan(pi/4+theta)+tan(pi/4-theta))/(tan(pi/4+theta)-tan(pi/4-theta))` then find y.

A

`cosec 2 theta`

B

`sin 2 theta`

C

`cos theta`

D

0

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