Q. 11

Find the equation of a line passing through the origin and making an angle of 1200 with the positive direction of the x - axis.

Answer :

As angle is given so we have to find slope first give by m = tanθ

m = tan120°


(tan (180° - θ) is in II quadrant, tanx is negative)

Now equation of line passing through origin is given as y = mx

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