Geometrical Proofs of the Trigonometrical Ratios of 2θ and 3θ

Alex. D. Russell

doi:10.1017/S0013091500035628

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Geometrical Proofs of the Trigonometrical Ratios of 2θ and 3θ

Published online by Cambridge University Press: 20 January 2009

Alex. D. Russell

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Type: Mathematical Notes
Information: Proceedings of the Edinburgh Mathematical Society , Volume 38 , February 1919 , pp. 56 - 57

DOI: https://doi.org/10.1017/S0013091500035628 [Opens in a new window]
Copyright: Copyright © Edinburgh Mathematical Society 1919

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Geometrical Proofs of the Trigonometrical Ratios of 2θ and 3θ

Volume 38
Alex. D. Russell
DOI: https://doi.org/10.1017/S0013091500035628

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Geometrical Proofs of the Trigonometrical Ratios of 2θ and 3θ

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