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18 godz. temu · A ray through the unit circle x 2 + y 2 = 1 in the point (cos a, sin a), where a is twice the area between the ray, the circle, and the x-axis. Figure 7-1b. A ray through the unit hyperbola x 2 − y 2 = 1 in the point (cosh a , sinh a ) , where a is twice the area between the ray, the hyperbola, and the x -axis.
