Before revision: 60–67 In surveying In surveying work,Glossary of the Mapping Sciences, American Society of Civil Engineers, page 451. the most common methods of computing the coordinates of a point by (angular) resection are the see John Collins - Mathematician) Collin's "Q" point Method as well as the Cassini's Method and the Tienstra formula, though the first known solution was given by Willebrord van Snell aka "Snellius" (see Snellius–Pothenot problem).
After revision: (60–67 In surveying In surveying work,Glossary of the Mapping Sciences, American Society of Civil Engineers, page 451. the most common methods of computing the coordinates of a point by (angular) resection are the see John Collins - Mathematician) Collin's "Q" point Method as well as the Cassini's Method and the Tienstra formula, though the first known solution was given by Willebrord van Snell aka "Snellius" (see Snellius–Pothenot problem).