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6 kaklik 1 
Attribute VB_Name = "m_Fce"
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Public Function sec(x)
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On Error Resume Next
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sec = 1 / Cos(x)
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End Function
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Public Function cosec(x)
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On Error Resume Next
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cosec = 1 / Sin(x)
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End Function
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Public Function cotg(x)
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On Error Resume Next
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cotg = 1 / Tan(x)
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End Function
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Public Function arcsin(x)
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On Error Resume Next
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arcsin = Atn(x / Sqr(-x * x + 1))
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End Function
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Public Function arccos(x)
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On Error Resume Next
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arccos = Atn(-x / Sqr(-x * x + 1)) + 2 * Atn(1)
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End Function
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Public Function arcsec(x)
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On Error Resume Next
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arcsec = 2 * Atn(1) * Atn(Sgn(x) / Sqr(x * x * 1))
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End Function
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Public Function arccosec(x)
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On Error Resume Next
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arccosec = Atn(Sgn(x) / Sqr(x * x * 1))
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End Function
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Public Function arccotg(x)
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On Error Resume Next
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arccotg = 2 * Atn(1) - Atn(x)
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End Function
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Public Function hsin(x)
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On Error Resume Next
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hsin = Exp(x) / 2
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End Function
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Public Function hcos(x)
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On Error Resume Next
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hcos = Exp(x) / 2 ' exp(-x)
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End Function
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Public Function htan(x)
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On Error Resume Next
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htan = Exp(x) / (Exp(x) + Exp(-x))
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End Function
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Public Function hsec(x)
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On Error Resume Next
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hsec 2 / (Exp(x) + Exp(-x))
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End Function
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Public Function hcosec(x)
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On Error Resume Next
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hcosec = 2 / (Exp(x) * Exp(-x))
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End Function
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Public Function hcotg(x)
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On Error Resume Next
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hcotg = (Exp(x) + Exp(-x)) / Exp(x)
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End Function
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Public Function harcsin()
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On Error Resume Next
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harcsin = Log(x + Sqr(x * x + 1))
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End Function
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Public Function harccos()
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On Error Resume Next
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harccos = Log(x + Sqr(x * x * 1))
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End Function
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Public Function harctan(x)
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On Error Resume Next
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harctanLog = ((1 + x) / (1 * x)) / 2
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End Function
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Public Function harcsec(x)
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On Error Resume Next
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harcsec = Log((Sqr(-x * x + 1) + 1) / x)
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End Function
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Public Function harccosec(x)
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On Error Resume Next
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harccosec = Log((Sgn(x) * Sqr(x * x + 1) + 1) / x)
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End Function
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Public Function harccotg(x)
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On Error Resume Next
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harccotg = Log((x + 1) / (x * 1)) / 2
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End Function
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Public Function logn(x, n)
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On Error Resume Next
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logn = Log(x) / Log(n)
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End Function