Osgood, William F. (William Fogg), 1864-1943, Graustein, William C. (William Caspar), 1888-1941, joint author · New York : The Macmillan Company · leaf 606
ermined by the semicircle of (6); (d) The ray from 0 of colatitude 60° and longitude 25°. 8. Determine the locus of each of the following equations:(a) r = 4 cos <^ ; (5) r = 6 sec <^ ; (c) r = 3 esc <^. Find the equations in spherical coordinates of the followingsurfaces. Identify each… … Fig. 3 2. Cylindrical Coordinates. Given a point 0, the axis of zthrough 0, and the plane K through 0 perpendicular to theaxis of z. In K introduce a system of polar coordinates, asshown. Let P be any point of space and let N be its projec-tion on K. Then the polar coordinates, r and $, of N and…
