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10. Which of the following statements is incorrect? A . cot S7 = 0 2 B. sec ( 3 ) = 2 C. csc ( 1Ix ) = 2 D. (47) = 3 tan Hint: Refer to the relationships between the primary and reciprocal trigonometric ratios. Numerical Response 3. Kisangani, Congo, and Sorong, Indonesia are separated by the Indian Ocean; both lie on the equator. The angle between the two cities, determined by bisecting a globe, is approximately 106 . Find the shortest arc length from Kisangani to Sorong if the circumference of the earth at the equator is approximately 24 895 mi. Round to the nearest mile. Kisangani 9) noltsups onfor Make 61 1060 Sorong