what-is-the-inverse-cosine-of-0-55

##”cos”^(-1)(0.55)”=56.632987″^”o”##

The inverse cosine for a number is represented as ##”cos”^(-1)x##. It allows you to determine the angle. So the inverse cosine of ##0.55## is ##”cos”^(-1)(0.55)##. Use your scientific calculator, to get ##”cos”^(-1)(0.55)”=56.632987″^”o”##.

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