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Point P(x, y) satisfying the equation Si...

Point P(x, y) satisfying the equation `Sin^(-1)x+Cos^(-1)y+Cos^(-1)(2xy)=pi/2` lies on

A

the bisector of the first and third quadrant

B

bisector of the second and fourth quadrant.

C

the rectangle formed by the lines `x=pm1 and y=pm1`.

D

a unit circle with centre at the origin.

Text Solution

Verified by Experts

The correct Answer is:
D
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