If costheta+sintheta=sqrt(2)costheta, sh...

If `costheta+sintheta=sqrt(2)costheta,` show that `costheta-sintheta=sqrt(2)sinthetadot`

A

`sqrt2cos theta`

B

`sqrt2 sintheta`

C

`sqrt2(cos theta+sintheta)`

D

none of these

Verified by Experts

The correct Answer is:

B

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