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Inverse Tangent Issues

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Hi all, my brother and I are building a program which requires an inverse tangent function.Howerever, VB.NET 2005 does not contain an inverse tangent function.Any help with sovling our issue in VB.NET is welcome.

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Does it have inverse sin and inverse cos? tan = sin/cos and the same goes for inverse trig functions, so tan^-1 = (sin^-1) / (cos^-1)Other wise, remember that inverse tan is just tan with the X and Y switched.arctangent:y = arctan(x)x = tan(y) Domain: allRange:pi/2 < y < pi/2If that all fails, you could use a chart... If X = "this", then Y = "that"

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