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The length of the perpendicular from the...

The length of the perpendicular from the point `(a cos alpha, a sin alpha)` upon the line `y=x tan alpha+c, c le 0,` is

A

`c`

B

`c sin ^(2) alpha`

C

`c cos alpha`

D

`c sec ^(2) alpha`

Text Solution

Verified by Experts

The correct Answer is:
C
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