ZBasic System Library
44
ZBasic Microcontrollers
Type
Function returning Single
Invocation
Acos(arg)
Parameter
Method
Type
Description
arg
ByVal
Single
The value from which the arc cosine will be computed.
Discussion
The arc cosine function is the inverse of the cosine function. The return value will be the angle,
expressed in radians, whose cosine corresponds to the passed value. The type of the return value will be
Single and the value will range from 0.0 to p. If the argument is greater than 1.0 or less than –1.0, the
result will be undefined.
Example
Dim val as Single, theta as Single
val = 0.5
theta = Acos(val) 'the result will be approximately 1.0472.
See Also
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