Question

Find the slope of the line which makes an inclation of 60 degree with positive x axis and also find the slope of the line which makes an angle of 30 degree with the positive direction of y axis measured anti clockwise

Answer 1

m=tan(angle with +ve x axis in anticlockwise sense)
1. Tan(60) = root(3)
2. From +y axis if we move 30deg anti-clockwise it is 120deg from the +x axis
So slope = tan(120)
= -root(3)

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