Let P={theta:sintheta-costheta=sqrt2cost...

Let `P={theta:sintheta-costheta=sqrt2costheta}and Q={theta: sintheta+costheta=sqrt2sintheta}` be two sets. Then

A

`PsubsetQ & Q -P ne phi`

B

`Q cancelsubsetP`

C

`P cancelsubsetQ`

D

P = Q

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The correct Answer is:

D

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