JtC TANG. TAM NJTFR. QVAM. JRTIFICUL. 223 



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Hinc igitur inuenientur lognrithmi vulgares cofmuum quo* 

 rumcunque angulorum , idque ad 14 iiguras in fradioni- 

 bus decimalibus. 



Q.E I. 



§. 29. Ex datis logarithmis finuum et cofuiuum in- 

 Veniuntur primo flatim logarithmi lecantium et cofccan- 

 tium. Deinde cum tangentis logarithmus prodeat, fi ab 

 aggregato logarithmorum fmus totius et fmus anguli dati 

 fubtrahatur logarithmus cofinus , erit pro logarithmis hy- 

 perbolicis pofito logarithmo finus totius ~ o • 



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