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Finding Sine Value of Specified Number in Golang
In mathematics, the sine function is a trigonometric function that represents the ratio of the length of the side opposite to an angle to the length of the hypotenuse in a right-angled triangle. It is denoted by sin. In Golang, the math package provides the Sin() function that returns the sine value of a given number in radians.
Syntax
The syntax for finding the sine value of a specified number in Golang is −
func Sin(x float64) float64
Where x is the angle in radians.
Example 1: Find Sine Value of 0.5
Let's write a program that finds the sine value of 0.5 using the Sin() function.
package main
import (
"fmt"
"math"
)
func main() {
x := 0.5
sin := math.Sin(x)
fmt.Printf("The sine value of %f is %f\n", x, sin)
}
Output
The sine value of 0.500000 is 0.479426
Example 2: Find Sine Value of π
Let's write a program that finds the sine value of π (pi) using the Sin() function.
package main
import (
"fmt"
"math"
)
func main() {
x := math.Pi
sin := math.Sin(x)
fmt.Printf("The sine value of %f is %f\n", x, sin)
}
Output
The sine value of 3.141593 is 0.000000
Example 3: Find Sine Values of Multiple Numbers
Let's write a program that finds the sine values of multiple numbers using the Sin() function.
package main
import (
"fmt"
"math"
)
func main() {
numbers := []float64{0.1, 0.2, 0.3, 0.4, 0.5}
for _, x := range numbers {
sin := math.Sin(x)
fmt.Printf("The sine value of %f is %f\n", x, sin)
}
}
Output
The sine value of 0.100000 is 0.099833 The sine value of 0.200000 is 0.198669 The sine value of 0.300000 is 0.295520 The sine value of 0.400000 is 0.389418 The sine value of 0.500000 is 0.479426
Conclusion
The Sin() function provided by the math package in Golang makes it easy to find the sine value of a given number in radians. In this article, we covered the syntax for the Sin() function and provided three examples of how to use it to find the sine values of single and multiple numbers.
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