Question

Using Law of Sines.
a=3 b=7 A=70

I am trying to find the SinB using sin-1(7sin70)/3) but I get domain error.

Answer 1

hmmm can you post a quick screenshot of the material?

\(\bf \left[\cfrac{7sin(70^o)}{3}\right]\approx 2.19\qquad recall \implies -1\le sin(\theta)\le 1\)