Question

15.Calculate cos
http://is.byu.edu/courses/hs/GEOM-043-101/secure/imgs/math10-929.gif
a. 7/ square root of 13
b. 6/ square root of 13
c. 6/ square root of 85
d. 7/ square root of 85

Answer 1

\[calculate \cos \theta\]

Answer 2

well your hyp will be 6^2+7^2 and cos(theta)=adj/hyp and the adj=6

Answer 3

hyp=85 adj=6

Answer 4

sorry square roof of 85 will be the
hyp

Answer 5

so your answer is c.

Answer 6

thanks ^_^

Answer 7

you're welcome