Trigonometry

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Examples in Go
Compute Hypotenuse in Go
by yhuang Go fmt fmt.Printf math math.Hypot 
package main

import (
	"fmt"
	"math"
)

func main() {
	c := math.Hypot(3, 4)
	fmt.Printf("%.1f", c)
}
Compute Sine in Go
by yhuang Go fmt fmt.Printf math math.Pi math.Sin 
package main

import (
	"fmt"
	"math"
)

func main() {
	fmt.Printf("%.2f", math.Sin(math.Pi))
}
Compute Cosine in Go
by yhuang Go fmt fmt.Printf math math.Cos math.Pi 
package main

import (
	"fmt"
	"math"
)

func main() {
	fmt.Printf("%.2f", math.Cos(math.Pi/2))
}
Compute Tangent in Go
by yhuang Go fmt fmt.Printf math math.Tan 
package main

import (
	"fmt"
	"math"
)

func main() {
	fmt.Printf("%.2f", math.Tan(0))
}
Compute Arcsine in Go
by yhuang Go fmt fmt.Printf math math.Asin 
package main

import (
	"fmt"
	"math"
)

func main() {
	fmt.Printf("%.2f", math.Asin(0))
}
Compute Arccosine in Go
by yhuang Go fmt fmt.Printf math math.Acos 
package main

import (
	"fmt"
	"math"
)

func main() {
	fmt.Printf("%.2f", math.Acos(1))
}
Compute Arctangent in Go
by yhuang Go fmt fmt.Printf math math.Atan 
package main

import (
	"fmt"
	"math"
)

func main() {
	fmt.Printf("%.2f", math.Atan(0))
}
Compute Arctangent of y/x in Go
by yhuang Go fmt fmt.Printf math math.Atan2
Computes the arc tangent of y/x, using the signs of the two to determine the quadrant of the return value.
package main

import (
	"fmt"
	"math"
)

/*
Special Cases:
Atan2(y, NaN) = NaN
Atan2(NaN, x) = NaN
Atan2(+0, x>=0) = +0
Atan2(-0, x>=0) = -0
Atan2(+0, x<=-0) = +Pi
Atan2(-0, x<=-0) = -Pi
Atan2(y>0, 0) = +Pi/2
Atan2(y<0, 0) = -Pi/2
Atan2(+Inf, +Inf) = +Pi/4
Atan2(-Inf, +Inf) = -Pi/4
Atan2(+Inf, -Inf) = 3Pi/4
Atan2(-Inf, -Inf) = -3Pi/4
Atan2(y, +Inf) = 0
Atan2(y>0, -Inf) = +Pi
Atan2(y<0, -Inf) = -Pi
Atan2(+Inf, x) = +Pi/2
Atan2(-Inf, x) = -Pi/2
*/

func main() {
	fmt.Printf("%.2f", math.Atan2(0, 0))
}
Last Run  :
0.00
Compute Hyperbolic Sine in Go
by yhuang Go fmt fmt.Printf math math.Sinh 
package main

import (
	"fmt"
	"math"
)

func main() {
	fmt.Printf("%.2f", math.Sinh(0))
}
Compute Hyperbolic Cosine in Go
by yhuang Go fmt fmt.Printf math math.Cosh 
package main

import (
	"fmt"
	"math"
)

func main() {
	fmt.Printf("%.2f", math.Cosh(0))
}
Compute Hyperbolic Tangent in Go
by yhuang Go fmt fmt.Printf math math.Tanh 
package main

import (
	"fmt"
	"math"
)

func main() {
	fmt.Printf("%.2f", math.Tanh(0))
}
Last Run  :
0.00
Compute Inverse Hyperbolic Sine in Go
by yhuang Go fmt fmt.Printf math math.Asinh 
package main

import (
	"fmt"
	"math"
)

func main() {
	fmt.Printf("%.2f", math.Asinh(0))
}
Compute Inverse Hyperbolic Cosine in Go
by yhuang Go fmt fmt.Printf math math.Acosh 
package main

import (
	"fmt"
	"math"
)

func main() {
	fmt.Printf("%.2f", math.Acosh(2))
}
Compute Inverse Hyperbolic Tangent in Go
by yhuang Go fmt fmt.Printf math math.Atanh 
package main

import (
	"fmt"
	"math"
)

func main() {
	fmt.Printf("%.2f", math.Atanh(0))
}