﻿ Find the equation of the straight line upon which the length of perpendicular from origin is  units and this perpendicular makes an angle of 75o with the positive direction of x-axis. : Kaysons Education

# Find The Equation Of The Straight Line Upon Which The Length Of Perpendicular From Origin Is  units And This Perpendicular Makes An Angle Of 75o with The Positive Direction Of x-axis.

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## Question

### Solution

Correct option is

Let AB be the required line and OL be perpendicular to it.

∴ equation of line AB will be

[Normal form]                                                 … (i)

Now cos 75o = cos (30o + 45o)

∴ form (i) equation of line AB is

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