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CoronaSDK 2013.1120 | Released: 21 May 2013, 2:31pm | What's New | Download Now
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math.acos()
Description:
Returns the arc cosine of a value in radians.
Syntax:
math.acos (x)
Example:
local x = math.acos(1) -- result will be 0 local y = math.acos(-1) -- result will be 3.14159... local z = math.acos(1.1) -- result will be nan
Parameters:
x
A number.
Returns:
A number in the range 0 to pi. If the parameter x is outside the range [-1..1], the result will be nan.
Remarks:
Supported on operating systems and platforms for build numbers shown:
- Mac OS X:Corona SDK 1.0
- Windows:Corona SDK 2.0
- iOS:Corona SDK 1.0
- Android:Corona SDK 2.0