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How to use sin method

不言Original: 2019-02-12 16:26:465729browse

The sin() method in How to use sin method can return the sine of a number, so in this article we will take a closer look at the use of the sin() method.

Let’s first look at the basic syntax of sin:

Math.sin(x)

x represents an angle expressed in radians. Convert the angle to radians by multiplying it by 0.017453293 (2PI/360).

Let’s look at specific examples

The code is as follows

<!DOCTYPE html>
<html>
<body>
<script type="text/javascript">
document.write(Math.sin(3) + "<br />")
document.write(Math.sin(-3) + "<br />")
document.write(Math.sin(0) + "<br />")
document.write(Math.sin(Math.PI) + "<br />")
document.write(Math.sin(Math.PI/2))
</script>
</body>
</html>

The effect is as follows: all numbers are converted into sine numbers.

How to use sin method

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