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2.5.4.20 CosH

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The CosH function performs the hyperbolic cosine calculation.

ABNF:

 CosH = val " COSH():128"

Required Arguments:

Name: Arg1

Type: vDouble

An argument that specifies the operand of the calculation.

Return Value:

Type: PtgNum

This function returns a PtgNum containing the hyperbolic cosine of Arg1, where the value of Arg1 is assumed to have the unit of radians.