Question

vector static problem : see attached

Answer 1

by trig, it means the law of cosine and sine right?

Answer 2

They mean using cosines and sines, though I don't think you need the Law of Sines or Cosines

Answer 3

ok. how do i begin?

Answer 4

I was told to use the parallelogram law.

Answer 5

Do you remember how to add vectors?

Answer 6

Yea , attach one vector the tail of the other.

Answer 7

Right! And the result has to be "horizontal", which means the y value must be 0

Answer 8

ok

Answer 9

Well, your goal is to have R horizontal, remember?