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The gradient of the tangent line at the ...

The gradient of the tangent line at the point `(a cos alpha, a sin alpha)` to the circle `x^2 + y^2 = a^2`

A

`tan(pi - alpha)`

B

`tan alpha`

C

`cot alpha`

D

`- cot alpha`

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MOTION-CIRCLE-Exercise - 1 (Objective Problems | JEE Main)
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  18. Two perpendicular tangents to the circle x^(2) + y^(2) = a^(2) meet at...

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