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The coordinates of the point at which th...

The coordinates of the point at which the line `x cos alpha + y sin alpha + a sin alpha = 0` touches the parabola `y^(2) = 4x` are

A

`(a tan alpha, 2a tan alpha)`

B

`(2a tan alpha, a tan alpha)`

C

`(a tan^(2) alpha, -2a tan alpha)`

D

`(a cos alpha, 2a cos alpha)`

Text Solution

Verified by Experts

The correct Answer is:
C
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