Answer:
I need more info to answer this question , maybe a picture of the question ! :)
Step-by-step explanation:
First, we are going to use the Pythagorean identity:

to rewrite our expression. Solving for

in our Pythagorean identity we get that

, so we can rewrite our expression as follows:

Next, we are going to use the trig identity:

to completely simplify our expression:

We can conclude that
Answer:
186.3
Step-by-step explanation:
13/16= 0.8125
Hope this helps!