Solve the triangle.

B = 36°, a = 38, c = 17

I keep getting a 31 decimal for b, but its not correct

Question

Solve the triangle.

B = 36°, a = 38, c = 17

I keep getting a 31 decimal for b, but its not correct

anonymous · Answer

Ok how did you set it up?

anonymous · Answer

b^2=(38^2)+(17^2)-2(38)(17)sin36

anonymous · Answer

Which Law did you use?

anonymous · Answer

@iluvvyyhu

anonymous · Answer

i dont know..

anonymous · Answer

Well that is the key to your problem...the rule that you used has a name... it is probably the title of the section you are studying and its name is most definitely in the lesson...It's the Law of _________

anonymous · Answer

Trust me once you figure the name of the Law you will have this problem licked!

anonymous · Answer

oh i think i figured out what i did wrong, its supposed to be cos36 not sin

anonymous · Answer

Yep because you are using what is known as the Law of Cosines!