using laws of sine or cosine, how do you find?

a=1.18
b=?
c=?
how do you know which laws to use and show steps so I can further understand

Christa Paffgen2013-04-29T14:32:18Z

Favorite Answer

I'm guessing that's information on the sides. You can't use sine or cosine with only sides, you also need angles

I suggest looking up GCSE Maths tutor videos on sine or cosine - they helped me a lot.