Question

I can't figure out this: 289+196-2(17)(14) cos50
I am supposed to get 179.0331, but I do not know what I am doing wrong.

Answer 1

whats the original problem

Answer 2

or is that it

Answer 3

Thats the equation that I plugged in, just like the example on the worksheet

Answer 4

c^2=289+196-2(17)(14) cos50
c^2=485-476 cos 50
c^2=485-305.9669
c^2=179.0331
c=13.3803

Answer 5

Yay thank you!