Analytic geometry, for technical schools and colleges (1897)
Lambert, Preston Albert, 1862-1925 · New York, Macmillan · leaf 183
plitudes differ by 120°.The positive half of the (7-axis, ^ = 0, corresponds to the posi-tive half of the X-axis, and the lines through the originmaking angles of 120° and 240° with the X-axis. The entireC/F-plane is pictured by the function iv = z^ on each of thethree parts into which these lines… … V 277 77ri 37r 55 TT ¥ y2 A U 0 1 f ■s Hence u = log r, v = ^ + 2 htt. To the circle r = constant inthe XF-plane there corresponds in the C7F-plane a straightline parallel to the F-axis; to the straight line 6 = constant inthe XF-plane there corresponds in the f/F-plane a system ofparallels to the…
Geometry, Analytic
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