src/pkg/math/sin_amd64.s - go - Git at Google

 // Copyright 2010 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.

 TEXT ·Sin(SB),7,$0
 	JMP	·sin(SB)

 TEXT ·Cos(SB),7,$0
 	JMP	·cos(SB)
	// Copyright 2010 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.

	TEXT ·Sin(SB),7,$0
	JMP ·sin(SB)

	TEXT ·Cos(SB),7,$0
	JMP ·cos(SB)