Question

Question 10: The slope of a line which makes an angle of 150° with positive X-axis is ​

Answer 1

Step-by-step explanation:

Equation of any line is given by y=mx+c

where m=tanθ, θ is angle of that line

so, $m = \tan(150) = \tan(180 - 30)$

$= - \tan(30) = - \frac{1}{ \sqrt{3} }$

so, slope of line is $- \frac{1}{ \sqrt{3} }$

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