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<!DOCTYPE html>
<html lang="ko">

<head>
	<meta charset="UTF-8">
	<title>JavaScript Math Method</title>
</head>

<body>

	<h1>Math.sin() 메소드</h1>

	<script>
		document.write(Math.sin(0) + "<br>");	// 0
		document.write(Math.sin(Math.PI / 2));	// 1
	</script>
	
</body>

</html>

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<!DOCTYPE html>
<html lang="ko">
​
<head>
    <meta charset="UTF-8">
    <title>JavaScript Math Method</title>
</head>
​
<body>
​
    <h1>Math.sin() 메소드</h1>
​
    <script>
        document.write(Math.sin(0) + "<br>");   // 0
        document.write(Math.sin(Math.PI / 2));  // 1
    </script>
    
</body>
​
</html>