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Guasti, M. Fernandez – International Journal of Mathematical Education in Science and Technology, 2005
Three major techniques are employed to calculate [pi]. Namely, (i) the perimeter of polygons inscribed or circumscribed in a circle, (ii) calculus based methods using integral representations of inverse trigonometric functions, and (iii) modular identities derived from the transformation theory of elliptic integrals. This note presents a…
Descriptors: Trigonometry, Calculus, Computation, Geometric Concepts