Cosh Method

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Returns the hyperbolic cosine of the specified angle.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

public static double Cosh(
	double a


Type: System..::..Double
An angle, measured in radians.

Return Value

Type: System..::..Double
The hyperbolic cosine of val. If val is equal to NegativeInfinity or PositiveInfinity, PositiveInfinity is returned. If value is equal to NaN, NaN is returned.

The angle, value, must be in radians. Multiply by Math..::..PI/180 to convert degrees to radians.