Trigonometry Measures The Earth
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Shows how Eratosthenes, in Ancient Greece, used trigonometry and shadows cast by the sun to measure the circumference and diameter of the earth to an accuracy of two percent. Describes a method of finding the distance to the moon by trigonometry.
More in Trigonometry Series
- Double And Half Angle Formulas 1959
- Eight Fundamental Trigonometric Identities 1959
- Graphs Of Periodic Functions 1959
- Practical Use Of Logarithms 1959
- Right Triangles And Trigonometric Ratios 1959
- Tables Of Trigonometric Ratios 1959
- Trigonometric Ratios As Periodic Functions 1959
- Trigonometry And Shadows 1959
- Trigonometry Measures The Earth 1959
- Trigonometry Of Large Angles 1959
- Using Logarithm Tables 1959
- Using Sines, Cosines And Tangents 1959
- Addition Formulas And Demoivre's Theorem. 1961
- Working with trigonometric identities. 1961
Sources
- 16mm Filmography (legacy record) — title, year, creator, format, sound, description, catalog record
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