Books Books 1 - 4 of 4 on The radius of projection of any other great circle is the secant of the angle between....
The radius of projection of any other great circle is the secant of the angle between the plane of the circle -and the plane of projection. From these Arts, it appears, that the projection of the parts of the sphere will not properly represent, in magnitude...
A Synopsis of Practical Philosophy: Alphabetically Arranged, Containing a ... - Page 217
by John Carr - 1843 - 390 pages

## A Complete System of Astronomy, Volume 2

Samuel Vince - Astronomia - 1814
...sin. PB = 2 cosec. Pfl = 2 sec. QB; therefore £ DK = sec. QB. Hence, the radius of projection of any great circle is the secant of the angle between the...the circle and the plane of projection. From these four articles it appears, that the projection of the parts of the sphere will not properly represent...

## The American Statistical Arithmetic: Designed for Academies and Schools

Francis Henney Smith - Arithmetic - 1845 - 276 pages
...4. The projection of every great circle passing through the pole is a straight line. 5. The radius of projection of any other great circle is the secant...parts of the sphere will not properly represent, in magnitude and situation, the parts themselves. G. If the place of the eye be the pole of the earth,...