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If : cos theta-sintheta=sqrt2.sin theta,...

If : `cos theta-sintheta=sqrt2.sin theta, "then": costheta+sintheta=`

A

`sqrt2*csctheta`

B

`sqrt2*sectheta`

C

`sqrt2*costheta`

D

`sqrt2*tantheta`

Text Solution

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The correct Answer is:
C
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