Question

What is the inverse cosine of 0.55?

Answer 1

`"cos"^(-1)(0.55)"=56.632987"^"o"`

Explanation:

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"`.