Futurebasic/Language/Reference/acos
Acos
[edit | edit source]Function
[edit | edit source]✔ Appearance ✔ Standard ✔ Console
Syntax
[edit | edit source]radianAngle# = ACOS (expr)
Description
[edit | edit source]Returns the arccosine of expr in radians. In other words, if expr represents the cosine of some angle, then ACOS(expr) returns the angle. The returned angle will be in the range of 0 to π radians (which corresponds to 0 to 180 degrees). ACOS always returns a double-precision result.
Notes
[edit | edit source]No special notes.