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Cos

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

 
Cos( value )
cos( value )
Cos( value )
Cos( value )
Cos( value )

Description

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

Parameters

Parameter Type Definition and Requirements

value

Number

The Number whose cosine should be returned.

Returns

A Number which is the cosine of value.

Examples

The following query returns the cosine of 0.5:

client.query(
  q.Cos(0.5)
)
.then((ret) => console.log(ret))
.catch((err) => console.error(
  'Error: [%s] %s: %s',
  err.name,
  err.message,
  err.errors()[0].description,
))
0.8775825618903728
result = client.query(
  q.cos(0.5)
)
print(result)
0.8775825618903728
result, err := client.Query(
	f.Cos(0.5))

if err != nil {
	fmt.Fprintln(os.Stderr, err)
} else {
	fmt.Println(result)
}
0.8775825618903728
try
{
    Value result = await client.Query(
        Cos(0.5)
    );

    Console.WriteLine(result);
}
catch (Exception e)
{
    Console.WriteLine($"ERROR: {e.Message}");
}
DoubleV(0.8775825618903728)
Cos(0.5)
0.8775825618903728
Query metrics:

  •    bytesIn:  11

  •   bytesOut:  31

  • computeOps:   1

  •    readOps:   0

  •   writeOps:   0

  •  readBytes:   0

  • writeBytes:   0

  •  queryTime: 3ms

  •    retries:   0

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