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-rw-r--r--mcs/class/System.Numerics/System.Numerics/Complex.cs2
1 files changed, 1 insertions, 1 deletions
diff --git a/mcs/class/System.Numerics/System.Numerics/Complex.cs b/mcs/class/System.Numerics/System.Numerics/Complex.cs
index 6c172751b3..89b6bd463a 100644
--- a/mcs/class/System.Numerics/System.Numerics/Complex.cs
+++ b/mcs/class/System.Numerics/System.Numerics/Complex.cs
@@ -231,7 +231,7 @@ namespace System.Numerics {
public static Complex Cosh (Complex value)
{
return new Complex (Math.Cosh (value.real) * Math.Cos (value.imaginary),
- -Math.Sinh (value.real) * Math.Sin (value.imaginary));
+ Math.Sinh (value.real) * Math.Sin (value.imaginary));
}
public static Complex Negate (Complex value)