# Math Functions (trigonometry)

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 Submitted on: 1/7/2015 5:08:00 AM By: Adam Orenstein (from psc cd) Level: Advanced User Rating: By 4 Users Compatibility: VB 5.0, VB 6.0 Views: 1066

this here is a whole bunch of math functions! Too many for me to list right here so come in and check em' all out

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 ``` '************************************** ' Name: Math Functions (trigonometry) ' Description:this here is a whole bunch of math functions! Too many for me to list right here so come in and check em' all out ' By: Adam Orenstein (from psc cd) '************************************** Public Function InvSin(Number As Double) As Double InvSin = CutDecimal(Atn(Number / Sqr(-Number * Number + 1)), 87) End Function Public Function InvCos(Number As Double) As Double InvCos = Atn(-Number / Sqr(-Number * Number + 1)) + 2 * Atn(1) End Function Public Function InvSec(Number As Double) As Double InvSec = Atn(Number / Sqr(Number * Number - 1)) + Sgn((Number) - 1) * (2 * Atn(1)) End Function Public Function InvCsc(Number As Double) As Double InvCsc = Atn(Number / Sqr(Number * Number - 1)) + (Sgn(Number) - 1) * (2 * Atn(1)) End Function Public Function InvCot(Number As Double) As Double InvCot = Atn(Number) + 2 * Atn(1) End Function Public Function Sec(Number As Double) As Double Sec = 1 / Cos(Number * PI / 180) End Function Public Function Csc(Number As Double) As Double Csc = 1 / Sin(Number * PI / 180) End Function Public Function Cot(Number As Double) As Double Cot = 1 / Tan(Number * PI / 180) End Function Public Function HSin(Number As Double) As Double HSin = (Exp(Number) - Exp(-Number)) / 2 End Function Public Function HCos(Number As Double) As Double HCos = (Exp(Number) + Exp(-Number)) / 2 End Function Public Function HTan(Number As Double) As Double HTan = (Exp(Number) - Exp(-Number)) / (Exp(Number) + Exp(-Number)) End Function Public Function HSec(Number As Double) As Double HSec = 2 / (Exp(Number) + Exp(-Number)) End Function Public Function HCsc(Number As Double) As Double HCsc = 2 / (Exp(Number) + Exp(-Number)) End Function Public Function HCot(Number As Double) As Double HCot = (Exp(Number) + Exp(-Number)) / (Exp(Number) - Exp(-Number)) End Function Public Function InvHSin() InvHSin = Log(Number + Sqr(Number * Number + 1)) End Function Public Function InvHCos(Number As Double) As Double InvHCos = Log(Number + Sqr(Number * Number - 1)) End Function Public Function InvHTan(Number As Double) As Double InvHTan = Log((1 + Number) / (1 - Number)) / 2 End Function Public Function InvHSec(Number As Double) As Double InvHSec = Log((Sqr(-Number * Number + 1) + 1) / Number) End Function Public Function InvHCsc(Number As Double) As Double InvHCsc = Log((Sgn(Number) * Sqr(Number * Number + 1) + 1) / Number) End Function Public Function InvHCot(Number As Double) As Double InvHCot = Log((Number + 1) / (Number - 1)) / 2 End Function Public Function Percent(is_ As Double, of As Double) As Double Percent = is_ / of * 100 End Function ```

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