Quote:
Originally Posted by mmartin798
If we assume that the relative thickness is defined by a line perpendicular to the vertical and the angle is measured from the vertical, then:
Relative Thickness = Actual Thickness / COSINE (Angle from vertical)
38 mm @ 45 deg gives 53.7 mm or 54 mm
38 mm @ 30 deg gives 43.8 mm or 44 mm
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For those doing this in Excel the formula is : =38/(COS(RADIANS(45))) = 53.74011537
Excel uses Radians instead of Degrees for COS, it does not do COSD like a calculator.