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doc: add go playground demo

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dudaodong
2023-06-01 14:11:57 +08:00
parent 286a187942
commit cbf8cfdffa
8 changed files with 43 additions and 14 deletions
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4
mathutil/mathutil.go
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@@ -303,7 +303,7 @@ func lcm[T constraints.Integer](a, b T) T {
}
// Cos returns the cosine of the radian argument.
// Play: todo
// Play: https://go.dev/play/p/Sm89LoIfvFq
func Cos(radian float64, precision ...int) float64 {
t := 1.0 / (2.0 * math.Pi)
radian *= t
@@ -319,7 +319,7 @@ func Cos(radian float64, precision ...int) float64 {
}
// Cos returns the sine of the radian argument.
// Play: todo
// Play: https://go.dev/play/p/TWMQlMywDsP
func Sin(radian float64, precision ...int) float64 {
return Cos((math.Pi / 2) - radian)
}