PhysicsIzHard Messages 9 Reaction score 0 Thread starter Nov 4, 2012 #1 Homework Statement Homework Equations All above. The Attempt at a Solution Tried the first few, couldn't get them to work. Any ideas, hopefully for each step?
Homework Statement Homework Equations All above. The Attempt at a Solution Tried the first few, couldn't get them to work. Any ideas, hopefully for each step?
clamtrox Messages 938 Reaction score 9 Nov 5, 2012 #2 For a, you should remind yourself of trigonometric identities involving right triangles. For b, how long is a unit vector?
For a, you should remind yourself of trigonometric identities involving right triangles. For b, how long is a unit vector?