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Finding the Hyperbolic Cosine of Complex Number in Golang

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  • Last Updated : 01 Apr, 2020
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Go language provides inbuilt support for basic constants and mathematical functions for complex numbers with the help of the cmplx package. You are allowed to find the hyperbolic cosine of the specified complex number with the help of Cosh() function provided by the math/cmplx package. So, you need to add a math/cmplx package in your program with the help of the import keyword to access the Cosh() function.

Syntax:

func Cosh(y complex128) complex128

Let us discuss this concept with the help of the given examples:

Example 1 :




// Golang program to illustrate how to find the
// hyperbolic cosine of the specified complex
// number
package main
  
import (
    "fmt"
    "math/cmplx"
)
  
// Main function
func main() {
  
    // Finding hyperbolic cosine of 
    // the specified complex number
    // Using Cosh() function
    res_1 := cmplx.Cosh(1 + 5i)
    res_2 := cmplx.Cosh(-2 + 8i)
    res_3 := cmplx.Cosh(-1 - 2i)
  
    // Displaying the result
    fmt.Println("Result 1:", res_1)
    fmt.Println("Result 2:", res_2)
    fmt.Println("Result 3:", res_3)
}

Output:

Result 1: (0.43771362521767465-1.1269289521981367i)
Result 2: (-0.5473996002472885-3.5882642538552894i)
Result 3: (-0.64214812471552+1.068607421382778i)

Example 2 :




// Golang program to illustrate how to find the
// hyperbolic cosine of the specified complex
// number
package main
  
import (
    "fmt"
    "math/cmplx"
)
  
// Main function
func main() {
  
    cnumber_1 := complex(0, 2)
    cnumber_2 := complex(4, 6)
  
    // Finding hyperbolic cosine
    cvalue_1 := cmplx.Cosh(cnumber_1)
    cvalue_2 := cmplx.Cosh(cnumber_2)
  
    // Sum of two hyperbolic cosine values
    res := cvalue_1 + cvalue_2
  
    // Displaying results
    fmt.Println("Complex Number 1: ", cnumber_1)
    fmt.Println("Hyperbolic cosine 1: ", cvalue_1)
  
    fmt.Println("Complex Number 2: ", cnumber_2)
    fmt.Println("Hyperbolic cosine 2: ", cvalue_2)
    fmt.Println("Sum : ", res)
  
}

Output:

Complex Number 1:  (0+2i)
Hyperbolic cosine 1:  (-0.4161468365471424+0i)
Complex Number 2:  (4+6i)
Hyperbolic cosine 2:  (26.220553750072888-7.625225809442885i)
Sum :  (25.804406913525746-7.625225809442885i)

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