¶ Trigonometry: Spherical Trigonometry (3)
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Trigonometry: Spherical Trigonometry:
"Now we have learned about precession. We find that there are fundamental conditions of waves and the effect of systems of precessing from the 90-degreeness so you go from the central angle to the surface angle and you find over and over again, each one of the progression . . . shown in the series of 25 great circles. We find the three, going to the four, the four going to the five. What had been the central angles before became the surface angles; what were the surface angles became the external angles. We find the systems inherently turning themselves inside-out in respect to these angles. The angles are independent of size. They are fundamental. They are nondestructible. And so we get the processing of edges from insideness and outsideness and are beginning to understand and have a feeling about the propagation of electromagnetic waves. And I have been showing you where things literally were turning themselves out and the space became the sphere and the other way. They were doing that on the 25 great circle patterns. We have great pulling together of a concept of fundamental waves and understanding inside and outside angles. . . "
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