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Acos

This reference topic applies to FQL v4. Go to this page for the latest FQL v10 reference topics.
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Acos( value )

Description

The Acos function is a trigonometric function which calculates ratios of the lengths of the sides of right triangles. Acos returns the arc cosine of a number.

Parameters

Parameter Type Definition and Requirements

value

Number

The Number whose arc cosine should be returned.

Returns

A Number which is the arc cosine of value.

Examples

The following query returns the arc cosine of 0.5:

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Acos(0.5)
1.0471975511965979
Query metrics:

  •    bytesIn:  12

  •   bytesOut:  31

  • computeOps:   1

  •    readOps:   0

  •   writeOps:   0

  •  readBytes:   0

  • writeBytes:   0

  •  queryTime: 1ms

  •    retries:   0

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