sin()  Math  class method JS Home  <<  JS Reference  <<  Math  <<  sin()

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Description

Returns the sine of a number in radians between -1 and 1.

• Radians to Degrees - divide number by (Math.PI / 180).
• Degrees to Radians - multiply number by (Math.PI * 180).

• Like all class methods sin() should be used on the class rather than an instance of the class.

Syntax

Parameters

Examples

The code below displays sin() usage.

// Store results in an array.
var sinValues = new Array(5);

sinValues[0] = Math.sin(-1);
sinValues[1] = Math.sin(0);
sinValues[2] = Math.sin('0.75');
sinValues[3] = Math.sin('a string');
sinValues[4] = Math.sin();
sinValues[5] = Math.sin(null);

alert(sinValues);  

Related Tutorials

JavaScript Advanced Tutorials - Lesson 4 - Math

• <<    round()
• sqrt()     >>