The number of points P(x,y) lying inside...

The number of points P(x,y) lying inside or on the circle `x^(2) + y^(2) = 9` and satisfying the equation `tan^(4) x + cot^(4) x + 2 = 4 sin^(2) y` , is

A

2

B

4

C

8

D

infinite

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The correct Answer is:

C

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