acosv(x)

Arc cosine function - the opposite of the cosv function, returns an angle for a given cosine value.

Parameters:

x - cosine value (-1 ... 1 ).

Returns:

Angle (0 ... 360).

Speed:

Fast

Remarks:

Example:

x = acosv(0); // x is 90
x = acosv(0.707); // x is 45
x = cosv(45); // x is 0.707

See also:

Trigonometry, sinv, cosv, tanv, asinv, acosv, atanv

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