Pi and the Fibonacci Numbers
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|Contents: How Pi is calculated (Measuring the steepness of a hill; The tangent of an angle; The arctan function; Gregory's Formula for arctan(t); Radian measure; Gregory's series and pi; Using Gregory's Series to calculate pi; Machin's Formula; Another two-angle arctan formula for pi); Pi and the Fibonacci Numbers (The General Formulae); Some more formulae for two angles.|
|Levels:||High School (9-12), College|
|Math Topics:||Golden Ratio/Fibonacci, Pi|
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