411 REFERENCE · Wikibooks
Futurebasic/Language/Reference/acos
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Acos
Function
✔ Appearance ✔ Standard ✔ Console
Syntax
radianAngle# = ACOS (expr)
Description
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
No special notes.
See Also
SIN; COS; TAN; ATN; ASIN
Language Reference