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(sin theta +cos theta )^2=2, 0^@< theta ...

`(sin theta +cos theta )^2=2, 0^@< theta <90^@`, then the value of `theta ` is:
`(sin theta +cos theta )^2=2, 0^@< theta <90^@` , तो `theta ` का मूल्य है:

A

0

B

`pi/4`

C

`pi/2`

D

`pi`

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