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| author | Ryan Johnson <rjohnson@mozilla.com> | 2021-04-29 16:16:42 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-29 16:16:42 -0700 |
| commit | 95aca4b4d8fa62815d4bd412fff1a364f842814a (patch) | |
| tree | 5e57661720fe9058d5c7db637e764800b50f9060 /files/it/web/javascript/reference/global_objects/math/acos | |
| parent | ee3b1c87e3c8e72ca130943eed260ad642246581 (diff) | |
| download | translated-content-95aca4b4d8fa62815d4bd412fff1a364f842814a.tar.gz translated-content-95aca4b4d8fa62815d4bd412fff1a364f842814a.tar.bz2 translated-content-95aca4b4d8fa62815d4bd412fff1a364f842814a.zip | |
remove retired locales (#699)
Diffstat (limited to 'files/it/web/javascript/reference/global_objects/math/acos')
| -rw-r--r-- | files/it/web/javascript/reference/global_objects/math/acos/index.html | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/files/it/web/javascript/reference/global_objects/math/acos/index.html b/files/it/web/javascript/reference/global_objects/math/acos/index.html deleted file mode 100644 index b872e04ab2..0000000000 --- a/files/it/web/javascript/reference/global_objects/math/acos/index.html +++ /dev/null @@ -1,94 +0,0 @@ ---- -title: Math.acos() -slug: Web/JavaScript/Reference/Global_Objects/Math/acos -translation_of: Web/JavaScript/Reference/Global_Objects/Math/acos ---- -<div>{{JSRef}}</div> - -<p>La funzione <strong><code>Math.acos()</code></strong> ritorna l'arcocoseno (in radianti) di un numero, ovvero</p> - -<p><math display="block"><semantics><mrow><mo>∀</mo><mi>x</mi><mo>∊</mo><mo stretchy="false">[</mo><mrow><mo>-</mo><mn>1</mn></mrow><mo>;</mo><mn>1</mn><mo stretchy="false">]</mo><mo>,</mo><mspace width="thickmathspace"></mspace><mstyle mathvariant="monospace"><mrow><mo lspace="0em" rspace="thinmathspace">Math.acos</mo><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo></mrow></mstyle><mo>=</mo><mo lspace="0em" rspace="0em">arccos</mo><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><mtext> the unique </mtext><mspace width="thickmathspace"></mspace><mi>y</mi><mo>∊</mo><mo stretchy="false">[</mo><mn>0</mn><mo>;</mo><mi>π</mi><mo stretchy="false">]</mo><mspace width="thinmathspace"></mspace><mtext>such that</mtext><mspace width="thickmathspace"></mspace><mo lspace="0em" rspace="0em">cos</mo><mo stretchy="false">(</mo><mi>y</mi><mo stretchy="false">)</mo><mo>=</mo><mi>x</mi></mrow><annotation encoding="TeX">\forall x \in [{-1};1],\;\mathtt{\operatorname{Math.acos}(x)} = \arccos(x) = \text{ the unique } \; y \in [0; \pi] \, \text{such that} \; \cos(y) = x</annotation></semantics></math></p> - -<h2 id="Sintassi">Sintassi</h2> - -<pre class="syntaxbox"><code>Math.acos(<var>x</var>)</code></pre> - -<h3 id="Parametri">Parametri</h3> - -<dl> - <dt><code>x</code></dt> - <dd>Un numero.</dd> -</dl> - -<h3 id="Valore_di_ritorno">Valore di ritorno</h3> - -<p>L'arcocoseno (in radianti) del numero passato come parametro se quest'ultimo si trova tra i valori <strong>-1</strong> e <strong>1</strong>; altrimenti ritorna {{jsxref("NaN")}}.</p> - -<h2 id="Descrizione">Descrizione</h2> - -<p>Il metodo <code>Math.acos()</code> ritorna un valore numerico compreso tra 0 and π radianti per <code>x</code> compreso tra -1 e 1. Se il valore di <code>x</code> si trova al di fuori di questo range il metodo ritorna {{jsxref("NaN")}}.</p> - -<p>Siccome <code>acos()</code> è un metodo statico di <code>Math</code>, viene sempre usato come <code>Math.acos()</code> piuttosto che come metodo di un oggetto <code>Math</code> creato in precedenza (<code>Math</code> non è un costruttore).</p> - -<h2 id="Esempi">Esempi</h2> - -<h3 id="Math.acos()"><code>Math.acos()</code></h3> - -<pre class="brush: js">Math.acos(-2); // NaN -Math.acos(-1); // 3.141592653589793 -Math.acos(0); // 1.5707963267948966 -Math.acos(0.5); // 1.0471975511965979 -Math.acos(1); // 0 -Math.acos(2); // NaN -</pre> - -<p>Per valori inferiori a -1 o maggiori di 1, <code>Math.acos()</code> ritorna {{jsxref("NaN")}}.</p> - -<h2 id="Specifiche">Specifiche</h2> - -<table class="standard-table"> - <tbody> - <tr> - <th scope="col">Specifica</th> - <th scope="col">Stato</th> - <th scope="col">Commento</th> - </tr> - <tr> - <td>{{SpecName('ES1')}}</td> - <td>{{Spec2('ES1')}}</td> - <td>Definizione iniziale. Implementata in JavaScript 1.0.</td> - </tr> - <tr> - <td>{{SpecName('ES5.1', '#sec-15.8.2.2', 'Math.acos')}}</td> - <td>{{Spec2('ES5.1')}}</td> - <td> </td> - </tr> - <tr> - <td>{{SpecName('ES6', '#sec-math.acos', 'Math.acos')}}</td> - <td>{{Spec2('ES6')}}</td> - <td> </td> - </tr> - <tr> - <td>{{SpecName('ESDraft', '#sec-math.acos', 'Math.acos')}}</td> - <td>{{Spec2('ESDraft')}}</td> - <td> </td> - </tr> - </tbody> -</table> - -<h2 id="Compatibilità_dei_Browser">Compatibilità dei Browser</h2> - -<p class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p> - -<p>{{Compat("javascript.builtins.Math.acos")}}</p> - -<h2 id="Vedi_anche">Vedi anche</h2> - -<ul> - <li>{{jsxref("Math.asin()")}}</li> - <li>{{jsxref("Math.atan()")}}</li> - <li>{{jsxref("Math.atan2()")}}</li> - <li>{{jsxref("Math.cos()")}}</li> - <li>{{jsxref("Math.sin()")}}</li> - <li>{{jsxref("Math.tan()")}}</li> -</ul> |
