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A tangent is drawn to parabola y^2=8x wh...

A tangent is drawn to parabola `y^2=8x` which makes angle `theta` with positive direction of x-axis. The equation of tangent is (A) `y=xtantheta+2cottheta` (B) `ycottheta=x-2tantheta` (C) ycottheta=x+2tantheta` (D) `ycottheta=x-tantheta`

A

`x=y cot theta +2 tan theta`

B

`x=y cot theta-2 tan theta`

C

`y=x tan theta - 2 cot theta`

D

`y=x tan theta + 2 cot theta`

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The correct Answer is:
A
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