REBOL Document

Arccosine - Function Summary


Summary:

Returns the trigonometric arccosine in degrees.

Usage:

arccosine value

Arguments:

value - The value argument. (must be: number)

Refinements:

/radians - Returns result in radians.

Description:

Inverse function to the cosine.


    print arccosine .5
    60.0

Related:

arcsine - Returns the trigonometric arcsine in degrees.
arctangent - Returns the trigonometric arctangent in degrees.
cosine - Returns the trigonometric cosine in degrees.
exp - Raises E (natural number) to the power specified.
log-10 - Returns the base-10 logarithm.
log-2 - Return the base-2 logarithm.
log-e - Returns the base-E (natural number) logarithm.
power - Returns the first number raised to the second number.
sine - Returns the trigonometric sine in degrees.
square-root - Returns the square root of a number.
tangent - Returns the trigonometric tangent in degrees.


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