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Basic Characteristics RAPID

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ACos Calculates the arc cosine value<br />

Example<br />

ACos (Arc Cosine) is used to calculate the arc cosine value.<br />

VAR num angle;<br />

VAR num value;<br />

.<br />

.<br />

angle := ACos(value);<br />

Return value Data type: num<br />

Arguments<br />

Syntax<br />

The arc cosine value, expressed in degrees, range [0, 180].<br />

ACos (Value)<br />

Value Data type: num<br />

The argument value, range [-1, 1].<br />

Acos’(’<br />

[Value ’:=’] <br />

’)’<br />

A function with a return value of the data type num.<br />

Related information<br />

Described in:<br />

Mathematical instructions and functions <strong>RAPID</strong> Summary - Mathematics<br />

<strong>RAPID</strong> Reference Manual 9-ACos-1

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