Angle between tangents drawn from any po...

Angle between tangents drawn from any point on the circle `x^2 +y^2 = (a + b)^2` , to the ellipse `x^2/a+y^2/b=(a+b)` is-

`(pi)/(4)`

`"tan"^(-1)(1)/(2)`

`"tan"^(-1)(1)/(3)`

none of these

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