cos: Difference between revisions

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|descr= Cosine of a number, argument in degrees.
|descr= Cosine of a number, argument in degrees.


|s1= '''cos''' x
|s1= [[cos]] x


|p1= x: [[Number]]
|p1= x: [[Number]]


|r1=[[Number]]
|r1= [[Number]]


|x1= <code>[[cos]] 60;//returns 0.5</code>
|x1= <sqf>cos 60; // returns 0.5</sqf>


|seealso= [[acos]], [[sin]], [[asin]], [[tan]], [[atan]], [[atan2]]
|seealso= [[acos]] [[sin]] [[asin]] [[tan]] [[atan]] [[atan2]]
}}
}}


<dl class="command_description">
{{Note
 
|user= Hardrock
<dt><dt>
|timestamp= 20060808235400
<dd class="notedate">Posted on August 8, 2006 - 23:54</dd>
|text= Be aware that there might be rounding errors in the results of this command.
<dt class="note">[[User:Hardrock|hardrock]]</dt>
<sqf>cos 90</sqf>
<dd class="note">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
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>
(cos 90)<nowiki>==</nowiki>0


but rather use less than.
but rather use less than.
 
<sqf>(cos 90) < 0.00001</sqf>
(cos 90) < 0.00001
}}
 
</dl>

Latest revision as of 13:15, 13 May 2022

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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
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