cos: Difference between revisions

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{{RV|type=command
{{RV|type=command


| ofp
|game1= ofp
|version1= 1.00


|1.00
|game2= ofpe
|version2= 1.00


|gr1= Math - Geometry
|game3= arma1
|version3= 1.00


| Cosine of a number, argument in degrees.
|game4= arma2
|version4= 1.00


| '''cos''' x
|game5= arma2oa
|version5= 1.50


|p1= x: [[Number]]
|game6= tkoh
|version6= 1.00


|r1=[[Number]]
|game7= arma3
|version7= 0.50


|x1= <code>[[cos]] 60;//returns 0.5</code>
|gr1= Math - Geometry


|seealso= [[acos]], [[sin]], [[asin]], [[tan]], [[atan]], [[atan2]]
|descr= Cosine of a number, argument in degrees.
}}


<dl class="command_description">
|s1= [[cos]] x


<dt><dt>
|p1= x: [[Number]]
<dd class="notedate">Posted on August 8, 2006 - 23:54</dd>
<dt class="note">[[User:Hardrock|hardrock]]</dt>
<dd class="note">Be aware that there might be rounding errors in the results of this command.


cos 90
|r1= [[Number]]


for example doesn't return the expected '0', but '-4.37114e-008'. So, if you want to compare results of Cosinus, don't use the compare operator
|x1= <sqf>cos 60; // returns 0.5</sqf>


(cos 90)<nowiki>==</nowiki>0
|seealso= [[acos]] [[sin]] [[asin]] [[tan]] [[atan]] [[atan2]]
}}


but rather use less than.
{{Note
|user= Hardrock
|timestamp= 20060808235400
|text= Be aware that there might be rounding errors in the results of this command.
<sqf>cos 90</sqf>


(cos 90) < 0.00001
for example doesn't return the expected '0', but '-4.37114e-008'. So, if you want to compare results of Cosinus, don't use the compare operator
<sqf>(cos 90) == 0</sqf>


</dl>
but rather use less than.
 
<sqf>(cos 90) < 0.00001</sqf>
{{GameCategory|arma1|Scripting Commands}}
}}
{{GameCategory|arma2|Scripting Commands}}
{{GameCategory|arma3|Scripting Commands}}
{{GameCategory|tkoh|Scripting Commands}}

Latest revision as of 13:15, 13 May 2022

Hover & click on the images for description

Description

Description:
Cosine of a number, argument in degrees.
Groups:
Math - Geometry

Syntax

Syntax:
cos x
Parameters:
x: Number
Return Value:
Number

Examples

Example 1:
cos 60; // returns 0.5

Additional Information

See also:
acos sin asin tan atan atan2

Notes

Report bugs on the Feedback Tracker and/or discuss them on the Arma Discord or on the Forums.
Only post proven facts here! Add Note
Hardrock - c
Posted on Aug 08, 2006 - 23:54 (UTC)
Be aware that there might be rounding errors in the results of this command.
cos 90
for example doesn't return the expected '0', but '-4.37114e-008'. So, if you want to compare results of Cosinus, don't use the compare operator
(cos 90) == 0
but rather use less than.
(cos 90) < 0.00001