##### Ninja Library - Mathematical Function

# njArcCos

Returns an arc cosine

### FORMAT

`

  Angle njArcCos( n )
  Float n

`

### PARAMETER

  `n` | Value of cosine

### RETURN

  value of arc cosine

### DESCRIPTION

  Determines the arc cosine of arbitrary cosine n and returns the value of the result.

### EXAMPLE

      ans = njArcCos( 0.5f );
      % Result %
      ans = 0x2aaa

### REFERENCE

  `njArcCosec()
  njArcCot()
  njArcSec()
  njArcSin()
  njArcTan()
  `

njArcCos

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