Law of Sines and Cosines, explanation

This is an animation on deriving the law of sines and cosines. SinA/a=SinB/b=SinC/c a^2=b^2+c^2-2bccosA b^2=a^2+c^2-2accosB c^2=a^2+b^2-2abcosC I made this with a lot of heart, and every purchase helps me keep creating. If you like what I do or just want to support independent makers, check it out: http://amazon.com/gp/product/B093D22DGN Thank you for being here—it really means a lot.