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What is Spherical Trigonometry Essentials about?

Spherical trigonometry deals with triangles on the surface of a sphere. A spherical triangle is bounded by arcs of great circles. The sum of the interior angles is greater than 180 degrees and less than 540 degrees. The area of a spherical triangle is given by a formula involving the spherical excess, which is the amount the interior angles exceed 180 degrees. Notes define that the earth is treated as a perfect sphere and conversions between units like minutes, nautical miles, and statute miles.

Author

imrancenakk

Language

EN