Recent content by kg90

Yeah, but aren't there two quadrants where that would be true?

Hey thanks for replying. I do know how to do most problems like this. I just don't know how you get the negative answer for the problem I posted above. I always end up with a positive. HallsofIvy, I'm not sure..

sin-1(-1/2) Can someone explain how to do this problem by hand. Thanks.