Khan Academy on a Stick
30-60-90 Triangle Example Problem
Using what we know about 30-60-0 triangles to solve what at first seems to be a challenging problem
If the above player doesn't work, you can try this direct link.
Using what we know about 30-60-0 triangles to solve what at first seems to be a challenging problem
If the above player doesn't work, you can try this direct link.