Question

A vector is 0.888 m long and

points
in a
205 degree
direction.
Find the y-component of the
vector.

Answer 1

Since the second quadrant ends at 180 deg,

205 will be 25 deg into the third quadrant (-x and -y)

y = -.888 sin 25 = -.375

One can also write y = .888 sin 205 = -.375