// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package math
// Sincos returns Sin(x), Cos(x).
//
// Special cases are:
// Sincos(±0) = ±0, 1
// Sincos(±Inf) = NaN, NaN
// Sincos(NaN) = NaN, NaN
func Sincos(x float64) (sin, cos float64)