Pythagorean theorem is

and using that sin is opposite/hypotenuse, you can find the third side of the triangle.

now you know adjacent is 60, so cos=60/61
Answer:
4
Step-by-step explanation
because 256 is root of 4 raised to 4
so 4 root 4 is to 4 which is = to 4
hope it helped u i am new on brainly so counldnt write properly
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