A telephone line hangs between n two poles at 12 m apart. In the shape of the catenary y = 50 cosh - 45, where x and y are measured in meters. Find the approximate value of the slope of this curve where it meets the right pole. a. 0.1203 b. 0.8962 c. 0.4888 d. 0.8079 e. 0.1389 -6 -5 -4 -3 -2

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