Q. 13.7( 10 Votes )
Find the equation of a line making an angle of 150° with the x–axis and cutting off an intercept 2 from y–axis.
Answer :
A line which makes an angle of 150o with the x–axis and cutting off an intercept at 2.
To Find: The equation of that line.
Formula used: The equation of a line is y = mx + c
Explanation: Here, angle, θ = 150o
SO, The slope of the line, m = tan θ
m = tan 150o
m = 
Coordinate of y–intercept is (0, 2)
The required equation of the line is y = mx + c
Hence, The equation of line is 
.
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