Paris, Francesco Ambrogio Didot, 1786.
Trigonometria Piana e Sferica.
First edition of, according to Lalande, the best book of the period on trigonometry and its application to astronomy. The work was actually a handbook covering all aspects of the field for the practicing astronomer and contains for the first time the trigonometric formula which now bears Cagnoli's name. In..... More