<?php
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
$TOC = array();
$TOC_DEPRECATED = array();
$PARENTS = array();
include_once dirname(__FILE__) ."/toc/ref.math.inc";
$setup = array (
  'home' => 
  array (
    0 => 'index.php',
    1 => 'PHP Manual',
  ),
  'head' => 
  array (
    0 => 'UTF-8',
    1 => 'pt_BR',
  ),
  'this' => 
  array (
    0 => 'function.sin.php',
    1 => 'sin',
    2 => 'Seno',
  ),
  'up' => 
  array (
    0 => 'ref.math.php',
    1 => 'Fun&ccedil;&otilde;es de Math',
  ),
  'prev' => 
  array (
    0 => 'function.round.php',
    1 => 'round',
  ),
  'next' => 
  array (
    0 => 'function.sinh.php',
    1 => 'sinh',
  ),
  'alternatives' => 
  array (
  ),
  'source' => 
  array (
    'lang' => 'pt_BR',
    'path' => 'reference/math/functions/sin.xml',
  ),
  'history' => 
  array (
  ),
);
$setup["toc"] = $TOC;
$setup["toc_deprecated"] = $TOC_DEPRECATED;
$setup["parents"] = $PARENTS;
manual_setup($setup);

contributors($setup);

?>
<div id="function.sin" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">sin</h1>
  <p class="verinfo">(PHP 4, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">sin</span> &mdash; <span class="dc-title">Seno</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.sin-description">
  <h3 class="title">Descrição</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>sin</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.float.php" class="type float">float</a></span> <code class="parameter">$num</code></span>): <span class="type"><a href="language.types.float.php" class="type float">float</a></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>sin()</strong></span> retorna o seno do parâmetro <code class="parameter">num</code>.
   O argumento <code class="parameter">num</code> deve estar em radianos.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.sin-parameters">
  <h3 class="title">Parâmetros</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">num</code></dt>
     <dd>
      <p class="para">
       O valor em radianos
      </p>
     </dd>
    
   </dl>
  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.sin-returnvalues">
  <h3 class="title">Valor Retornado</h3>
  <p class="para">
   O seno do <code class="parameter">num</code>
  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-function.sin-examples">
  <h3 class="title">Exemplos</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Exemplo #1 Exemplo da <span class="function"><strong>sin()</strong></span></strong></p>
    <div class="example-contents">
<div class="annotation-interactive phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">// Precisão depende da diretiva precision<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">sin</span><span style="color: #007700">(</span><span style="color: #0000BB">deg2rad</span><span style="color: #007700">(</span><span style="color: #0000BB">60</span><span style="color: #007700">)), </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;  </span><span style="color: #FF8000">//  0.866025403 ...<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">sin</span><span style="color: #007700">(</span><span style="color: #0000BB">60</span><span style="color: #007700">), </span><span style="color: #0000BB">PHP_EOL</span><span style="color: #007700">;           </span><span style="color: #FF8000">// -0.304810621 ...<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

   </div>
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.sin-seealso">
  <h3 class="title">Veja Também</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.asin.php" class="function" rel="rdfs-seeAlso">asin()</a> - Arco seno</span></li>
    <li><span class="function"><a href="function.sinh.php" class="function" rel="rdfs-seeAlso">sinh()</a> - Seno hiperb&oacute;lico</span></li>
    <li><span class="function"><a href="function.cos.php" class="function" rel="rdfs-seeAlso">cos()</a> - Cosseno</span></li>
    <li><span class="function"><a href="function.tan.php" class="function" rel="rdfs-seeAlso">tan()</a> - Tangente</span></li>
    <li><span class="function"><a href="function.deg2rad.php" class="function" rel="rdfs-seeAlso">deg2rad()</a> - Converte o n&uacute;mero em graus para o equivalente em radianos</span></li>
   </ul>
  </p>
 </div>

</div><?php manual_footer($setup); ?>