Calculate the inverse cosine (arccos) of a value. Returns the angle whose cosine is the given number.
Calculate the inverse cosine (arccos) of a value. Returns the angle whose cosine is the given number.
A value between -1 and 1.
The inverse cosine (arccos) returns the angle θ such that cos(θ) equals the input value x, where x is between -1 and 1.
How this calculator works
The inverse cosine (arccos) returns the angle θ such that cos(θ) equals the input value x, where x is between -1 and 1.
Common questions about this calculator