... A and BCtan Atan Bcos×=CtanAtanBcos =RtanBtanAtan ; CtanAtanRcos ==RtanAtanBtan =Rtan A 1tanB1tan =C1tan A 1tanRsin B1tanRcos ==Machinery's Handbook 27th ... FRACTIONS, AND DECIMALSTable 1. Fractional and Decimal Inch to Millimeter, Exact a Values a Table data are based on 1 inch = 25.4 mm, exactly. Inch to millimeter conversion values are exact.Whole ... sufficient for accuracy. In these formulas, a number followed by the symbol ! is called a factorial (for example, 3! is three factorial). Except for 0!, which is defined as 1, a factorial is found...