In the PROMOTIC system it is better to use the Pm.Tan method.
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)