Question

Find cos 0
A. 15/8
B. 15/17
C. 8/15
D. 8/17

Answer 1

A.15/8

Explanation:

the answer is 15/8

Answer 2

D.

`{ \tt{ \cos( \theta) = (adjacent)/(hypotenuse) }} \\ \\ { \tt{ \cos( \theta) = \frac{8}{ \sqrt{ {15}^(2) + {8}^(2) } } }} \\ \\ { \tt{ \cos( \theta) = (8)/( √(289) ) }} \\ \\ { \tt{ \cos( \theta) = (8)/(17) }}`