HOW TO USE A COMPOUND SINE PLATE 
When setting compound angles, it is necessary to compensate for the first angle set in order to correctly set the second angle.
Refer to the following drawings and procedures. The compensation will
be calculated for you. Where: Angle A = First desired workpiece angle. Angle B = Second desired workpiece angle. Angle T = True angle setting required to get angle B.

To compensate for the compound angle: Tan(True Angle T) = Tan(B) x Cos(A) 
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