If sin(picostheta)=cos(pis intheta),t h ...

If `sin(picostheta)=cos(pis intheta),t h e ns in2theta=` `+-3/4` (b) `+-4/3` (c) `+-1/3` (d) none of these

A

`3//4`

B

`-3//4`

C

`1//4`

D

none of these

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The correct Answer is:

A

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