For the purposes of PROMOTIC system, it is more usefull to use the method: Pm.Tan.
n = Tan(number)| number | (Double) Angle in radians. The degrees can be transferred into radians by multiplying the input value by 0.017453293 (=2*Pi/360). |
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Dim nAngle, nCosecant
nAngle = 1.3
nCosecant = 1 / Tan(nAngle)