
ZheQu L. answered 05/04/19
Tutor
5
(18)
Multilingual Mechanical Engineer, Tutoring Math and Science Courses
m=(1-4)/(-2-3)=3/5,
m=tan θ==》tan θ=3/5==》θ=31°
The angle between the line and x-axis is 31°; and the angle between the line and y-axis is (90-31)°=59°.