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Source file src/math/cmplx/rect.go

  // 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.
  
  package cmplx
  
  import "math"
  
  // Rect returns the complex number x with polar coordinates r, θ.
  func Rect(r, θ float64) complex128 {
  	s, c := math.Sincos(θ)
  	return complex(r*c, r*s)
  }
  

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