Helping students gain understanding and self-confidence in algebra.
AmySaunders wrote:This is my problem and I can not figure it out!!!:
I have tried to use the reference triangles but no matter what I do, I always come out with the answer: 7pi/6. The answer book, however, says that the answer is pi/6. Any and all help will be appreciated!!
AmySaunders wrote:What does pi periodic mean?