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

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

A

`P sub Q` and `Q-P ne phi`

B

`Q cancel(sub) P`

C

`P cancel(sub)Q`

D

`P =Q`

Text Solution

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D
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