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If x sin ^(3) theta + y cos ^(3) theta =...

If `x sin ^(3) theta + y cos ^(3) theta = sin theta cos theta and x sin theta = y cos theta, ` then which one of the following is correct ?

A

`x^(2) -y^(2) =2`

B

`x^(2) +y^(2) =1`

C

`x^(2) -y^(2) =1`

D

`x^(2)+ y^(2) =2`

Text Solution

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The correct Answer is:
B
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 4
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