Straight Line Question 111
Question: The length of perpendicular from the point $ (a\cos \alpha ,a\sin \alpha ) $ upon the straight line $ y=x\tan \alpha +c, $ $ c>0 $ is [MP PET 2004]
Options:
A) $ c\cos \alpha $
B) $ c{{\sin }^{2}}\alpha $
C) $ c{{\sec }^{2}}\alpha $
D) $ c{{\cos }^{2}}\alpha $
Correct Answer: A
Show Answer
Answer:
Solution:
BETA
