Go Cosh()

The Cosh() of the math package is an inbuilt function that takes a given value and returns its hyperbolic cosine value.

Syntax

import "math"

CoshX = math.Cosh(x)

Where CoshX is the hyperbolic cosine value of x, it is of type float64. It always returns the hyperbolic cosine value except for some special cases:

• Cosh(±0) is 1
• Cosh(±Inf) is +Inf
• Cosh(NaN) is NaN

Example

The following Golang program calculates the hyperbolic cosine of x and prints out the result:

package main

import (
  "fmt"
  "math"
)

func main() {
  fmt.Println(math.Cosh(5))
  fmt.Println(math.Cosh(-5))
}

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The output will be:

74.21
74.21

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Codebyte Example

The following example shows how the Cosh() function handles float64 arguments including special cases.

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