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---
title: Math.sin()
slug: Web/JavaScript/Reference/Global_Objects/Math/sin
tags:
- 레퍼런스
- 메소드
- 수학
- 자바스크립트
translation_of: Web/JavaScript/Reference/Global_Objects/Math/sin
---
<div>{{JSRef}}</div>
<p> <strong><code>Math.sin()</code></strong> 함수는 숫자의 사인값을 반환합니다.</p>
<div>{{EmbedInteractiveExample("pages/js/math-sin.html")}}</div>
<h2 id="Syntax">Syntax</h2>
<pre class="syntaxbox"><code>Math.sin(<var>x</var>)</code></pre>
<h3 id="파라미터">파라미터</h3>
<dl>
<dt><code>x</code></dt>
<dd>숫자 (라디안으로 주어짐).</dd>
</dl>
<h3 id="반환_값">반환 값</h3>
<p>주어진 숫자의 사인 값</p>
<h2 id="설명">설명</h2>
<p><code>Math.sin()</code> 메소드는 라디안으로 주어진 각도의 사인 값인 -1과 1 사이의 수를 반환합니다.</p>
<p> <code>sin()</code> 은 <code>Math</code>의 스태틱 메소드이기 때문에, <code>Math</code> 오브젝트 의 메소드로 사용하지 말고 항상 <code>Math.sin()</code>로 사용해야합니다. (<code>Math</code> 는 생성자가 아닙니다).</p>
<h2 id="예">예</h2>
<h3 id="Using_Math.sin()">Using <code>Math.sin()</code></h3>
<pre class="brush: js">Math.sin(0); // 0
Math.sin(1); // 0.8414709848078965
Math.sin(Math.PI / 2); // 1
</pre>
<h2 id="Specifications">Specifications</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
<tr>
<td>{{SpecName('ES1')}}</td>
<td>{{Spec2('ES1')}}</td>
<td>최초 정의. JavaScript 1.0. 에서 구현됨</td>
</tr>
<tr>
<td>{{SpecName('ES5.1', '#sec-15.8.2.16', 'Math.sin')}}</td>
<td>{{Spec2('ES5.1')}}</td>
<td> </td>
</tr>
<tr>
<td>{{SpecName('ES6', '#sec-math.sin', 'Math.sin')}}</td>
<td>{{Spec2('ES6')}}</td>
<td> </td>
</tr>
<tr>
<td>{{SpecName('ESDraft', '#sec-math.sin', 'Math.sin')}}</td>
<td>{{Spec2('ESDraft')}}</td>
<td> </td>
</tr>
</tbody>
</table>
<h2 id="브라우저_호환성">브라우저 호환성</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.sin")}}</p>
<h2 id="함께_보기">함께 보기</h2>
<ul>
<li>{{jsxref("Math.acos()")}}</li>
<li>{{jsxref("Math.asin()")}}</li>
<li>{{jsxref("Math.atan()")}}</li>
<li>{{jsxref("Math.atan2()")}}</li>
<li>{{jsxref("Math.cos()")}}</li>
<li>{{jsxref("Math.tan()")}}</li>
</ul>
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