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You are here: Home / JavaScript / JavaScript cosh – Find Hyperbolic Cosine of Number Using Math.cosh()

JavaScript cosh – Find Hyperbolic Cosine of Number Using Math.cosh()

January 26, 2022 Leave a Comment

To find the hyperbolic cosine of a number, we can use the JavaScript cosh() function from the math module.

Math.cosh(x)

In JavaScript, we can easily use trigonometric functions with the Python math module. The JavaScript math module allows us to perform trigonometry easily and in addition to regular trigonometry, we have access to the hyperbolic trigonometry functions.

With the JavaScript math module, we can find the hyperbolic cosine of a number easily.

To find the hyperbolic cosine of a number, we can use the JavaScript cosh() function from the math module.

Below is the JavaScript syntax to find the hyperbolic cosine of a number.

Math.cosh(x)

The input to the cosh() function must be a numeric value. The return value will be a numeric value greater than or equal to 1.

console.log(Math.cosh(100))
console.log(Math.cosh(0))
console.log(Math.cosh(-50))

// Output: 
1.3440585709080678e+43
1.0
2.592352764293536e+21

Finding the Inverse Hyperbolic Cosine of a Number in JavaScript

The JavaScript math module also provides us trigonometric functions to find the inverses of the common trigonometric functions. The cosh() function allows us to find the inverse of the hyperbolic cosine of a number.

Below, we show that if we pass a number to cosh() and then call the JavaScript acosh() function, we get back the same number.

console.log(Math.acosh(Math.cosh(100)))

// Output: 
100.0

Hopefully this article has been beneficial for you to understand how to use the math cosh() function in JavaScript to find the hyperbolic cosine of a number.

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