# Math Help - 6 trig functions

1. ## 6 trig functions

Hi,

I have attached a picture as it is very difficult to explain the problem. I figured out 8a, but am having a hard time with 8b because I don't know if I can set the radius of the circle to 1, as it is for problem 8a.

Thanks

2. ## Re: 6 trig functions

please post the solution for 8a that you have done.