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Difference between revisions of "mirc/identifiers/$atan2"
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{{mirc title|$atan2 Identifier}}'''$atan2''' returns the arctangent of the 2 short sides of a right triangle. | {{mirc title|$atan2 Identifier}}'''$atan2''' returns the arctangent of the 2 short sides of a right triangle. | ||
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== Synopsis == | == Synopsis == | ||
<pre>$atan2(<O>,<A>)[.deg]</pre> | <pre>$atan2(<O>,<A>)[.deg]</pre> | ||
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== Parameters == | == Parameters == | ||
<span style="display: inline-block; width: 50px;">'''O'''</span>The length of the Opposite side of the right triangle.<br /> | <span style="display: inline-block; width: 50px;">'''O'''</span>The length of the Opposite side of the right triangle.<br /> | ||
<span style="display: inline-block; width: 50px;">'''A'''</span>The length of the Adjacent side of the right triangle.<br /> | <span style="display: inline-block; width: 50px;">'''A'''</span>The length of the Adjacent side of the right triangle.<br /> | ||
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== Properties == | == Properties == | ||
<span style="display: inline-block; width: 80px;">'''.deg'''</span>Returns the angle as degrees, default is radians. | <span style="display: inline-block; width: 80px;">'''.deg'''</span>Returns the angle as degrees, default is radians. | ||
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== Example == | == Example == | ||
| − | <source lang="mIRC">//echo -a In right triangle where | + | <source lang="mIRC">//var %opposite 3, %adjacent 4 | echo -a In right triangle where opposite side is length %opposite and adjacent side is length %adjacent - angle is $atan2( %opposite , %adjacent ).deg degrees |
| − | ; Returns: In right triangle where | + | ; Returns: In right triangle where opposite side is length 3 and adjacent side is length 4 - angle is 36.869898 degrees |
</source> | </source> | ||
<source lang="mIRC"> | <source lang="mIRC"> | ||
| − | //var %opposite | + | //var %opposite 4 | var %adjacent 3 | echo -a except for rounding $atan2(%opposite,%adjacent).deg is the same as $atan( $calc( %opposite / %adjacent ) ).deg |
; ATAN2 accepts the side lengths while ATAN accepts the tangent ratio of those sides | ; ATAN2 accepts the side lengths while ATAN accepts the tangent ratio of those sides | ||
</source> | </source> | ||
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== Compatibility == | == Compatibility == | ||
{{mIRC compatibility|7.33}} | {{mIRC compatibility|7.33}} | ||
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== See also == | == See also == | ||
* {{mIRC|$cos}} | * {{mIRC|$cos}} | ||
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* {{mIRC|$atan}} | * {{mIRC|$atan}} | ||
* {{mIRC|$tanh}} | * {{mIRC|$tanh}} | ||
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Latest revision as of 18:44, 27 December 2018
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$atan2 returns the arctangent of the 2 short sides of a right triangle.
Synopsis[edit]
$atan2(<O>,<A>)[.deg]
Parameters[edit]
OThe length of the Opposite side of the right triangle.
AThe length of the Adjacent side of the right triangle.
Properties[edit]
.degReturns the angle as degrees, default is radians.
Example[edit]
//var %opposite 3, %adjacent 4 | echo -a In right triangle where opposite side is length %opposite and adjacent side is length %adjacent - angle is $atan2( %opposite , %adjacent ).deg degrees ; Returns: In right triangle where opposite side is length 3 and adjacent side is length 4 - angle is 36.869898 degrees
//var %opposite 4 | var %adjacent 3 | echo -a except for rounding $atan2(%opposite,%adjacent).deg is the same as $atan( $calc( %opposite / %adjacent ) ).deg ; ATAN2 accepts the side lengths while ATAN accepts the tangent ratio of those sides
Compatibility[edit]
Added: mIRC v7.33
Added on: 27 May 2014
Note: Unless otherwise stated, this was the date of original functionality.
Further enhancements may have been made in later versions.