Inverse Cosine Calculator, Arc Cosine, Arccos(x)
https://calcitfast.com/inverse-cosTrigonometric inverse cosine calculator # What is inverse cosine Inverse cosine is the inverse of the basic cosine function. In the cosine function, the value of angle θ is taken to give the ratio adjacent/hypotenuse. However, the inverse cosine function takes the ratio adjacent/hypotenuse and gives angle θ . cos -1 (adjacent/hypotenuse) = θ