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

If `x sin^(3) theta + y cos^(3) theta = sin theta cos theta ne 0` and `x sin theta - y cos theta = 0` , then value of `(x^(2) + y^(2))` is :

A

1

B

`(1)/(2)`

C

`(3)/(2)`

D

2

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The correct Answer is:
A
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