Elements of geometry : containing the first six books of Euclid, with a supplement on the quadrature of the circle, and the geometry of solids : to which are added, Elements of plane and spherical geometry (1826)
Playfair, John, 1748-1819, Euclid · Philadelphia : Marot & Walter · leaf 254
A, as the sine ofAB to the sine of the angle C;wherefore (II. 5.) the sine of theside AC is to the sine of the angleB, as the sine of AB to the sine ofthe angle C. Secondly, Let ABC be an oblique angled triangle, the sine of anyof the sides BC will be to the sine of any of the other two AC, as…
Euclid's Elements · Geometry · Trigonometry
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