Q Write the slope of a line which makes an angle
of pi/3
with negative direction of y-axis.
Answers
Given : a line which makes an angle of pi/3 with negative direction of y-axis.
To Find : Slope of line
Solution:
negative direction of y-axis. = 270° angle with x axis
pi/3 = 60° angle with negative direction of y-axis.
Generally angles are measured anticlockwise in x - y
Hence total angle = 270° + 60° = 330°
Slope = tan 330°
= - tan30°
= - 1/√3
line which makes an angle of pi/3 with negative direction of y-axis. is - 1/√3
in any case if angle to be measured clock wise
then angle = 270° - 60° = 210°
slope = tan 210° = 1/√3
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