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Math.asin() Method with Example in JavaScript

JavaScript | Math.asin() Method: Here, we are going to learn about the asin() method of Math class in JavaScript with Examples.
Submitted by Shivang Yadav, on February 03, 2020

JavaScript | Math.asin() Method

Math.asin() is a function in math library of JavaScript that is used to find the value of arcsine of a number and return the value in radians.

The values accpeted are y such that y = sin(x)

Syntax:

    Math.asin(x);

Parameter(s):

  • x – It represents the value whose arcsine value to be found.

Return value:

The return type of this method is number, it returns the arcsine value of the given x.

Values accepted: Integer, floating-point, numeric string.

Invalid Values: non-numeric string, empty variable, empty array all will return NaN (Not a Number).

Browser support: Chrome, Internet asinlorer, Mozilla, Safari, Opera mini.

Example 1: Valid values

console.log(Math.asin(-1));
console.log(Math.asin(0.1));
console.log(Math.asin(0));
console.log(Math.asin("0.65"));

Output

-1.5707963267948966
0.1001674211615598
0
0.7075844367253556

Example 2: Invalid values

console.log(Math.asin("Javascript"));
console.log(Math.asin(2));

Output

NaN
NaN





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