Cosine Law Tutorial part 1

[jberman44ify]

Thanks, Gonna ace my exam now!!

[xMrsFamous]

trig is like music to my ears

[TristanBarton]

i thought it was 2bc, not 2 ab..?

[oWESC]

thank you soooo much i luuuuu u

[MoeTheMovie]

Thanks this helped me out :)

[CanLaxKid]

for your first example you couldve just used the pythagorean therom to find c. much quicker

[SuperMrTheguy]

@CanLaxKid ummm, its not a right angle :S

[kylecoolio12]

very good lesson