Answer:
.528
Step-by-step explanation:
First you would need to find the length of the hypotenuse throug Pythagorean’s theorem Or
[tex]A^{2} + B^{2} = C^{2}[/tex]
Using this the hypotenuse is found to be 53
After you would use cos=adj/hyp to find the angle which would be 28/53