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There are two points A (a, 0) and B (-a,...

There are two points `A (a, 0) and B (-a, 0)` . If `/_A-/_B=theta` then the locus of C in the triangle ABC is

A

`x^2+y^2 + 2xy tan theta =a^2`

B

`x^2-y^2 + 2xy tan theta =a^2`

C

`x^2+y^2 + 2xy cot theta =a^2`

D

`x^2-y^2 + 2xy cot theta =a^2`

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The correct Answer is:
D
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