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error 404 acos | revDocs | RunRev
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Product Edition
Version
acos
Basics
Expander triangle
Type
Function
Syntax

the acos of number

acos(number)

See Also
Introduced
1.0
Environment
Desktop, Web and Server
Platform Support
MacOS,Mac OS X,Windows,Linux
Security
None required
Summary
Returns the arc cosine of a number, in radians.
Examples

acos(-1)
)
)
)
acos(field "Opposite" + field "Sine")

Additional Comments
Expander triangle

Use the acos function to find the arc cosine of a number.

Parameters:

The number is a number between -1 and 1, or an expression that evaluates to such a number.

Value:

The acos function returns a number between zero and pi.

Comments:

The arc cosine of number is an angle whose cosine is equal to number. In other words, acos is an inverse of the cos function.

The result of the acos function is returned in radians. To get this result in degrees, use the following function:

function acosInDegrees theMagnitude

return acos(theMagnitude) * 180 / pi

end acosInDegrees

User Comments
Expander triangle