8. Suppose the earth is a sphere with equation r + y2 + 22 = 1. On this earth, Edmonton has coordinates (sin(7/6) cos(0), sin(/6) sin(0), cos(7/6)) and Hamburg has coordinates (sin(7/6) cos(7/3),...

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Extracted text: 8. Suppose the earth is a sphere with equation r + y2 + 22 = 1. On this earth, Edmonton has coordinates (sin(7/6) cos(0), sin(/6) sin(0), cos(7/6)) and Hamburg has coordinates (sin(7/6) cos(7/3), sin(#/6) sin(7/3), cos(7/6)). Is it possible to see Edmonton and Hamburg at the same time? How far off the earth must you be?