Question

Vector v has a direction of (-4, 27). Find the direction angle for v

Answer 1

we have that

point (-4,27) lies on the II quadrant

see the figure below to better understand the problem

θ

tan(x)=27/4

x=81.6 degrees

Find out the value of angle θ

θ=180-81.6

θ=98.4 degrees

therefore

The answer is the option B