Question

In triangle xyz what is the cosine ratio of angle x

Answer 1

Data:
Hypotenuse is 7.5 
Opposite of angle x is 6

Cosine = Side opposite (S.O) the angle on the hypotenuse (h)

We have:

$Cos (\alpha)x = \frac{S.O}{h}$
$Cos (\alpha)x = \frac{6}{7.5}$
$\boxed{Cos (\alpha)x = 0.8}$

For better understanding, see the annex: