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85.37 A trigonometric identity that G. S. Carr missed and a trigonometric proof of a theorem of Bang

Published online by Cambridge University Press:  01 August 2016

Mowaffaq Hajja*
Affiliation:
Department of Mathematics, Yarmouk University, Irbid, Jordan

Abstract

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Type
Notes
Copyright
Copyright © The Mathematical Association 2001

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References

1. Carr, George S. Formulas and theorems in pure mathematics, (2nd edn.), Chelsea (1970).Google Scholar
2. Hajja, Mowaffaq A vector proof of a theorem of Bang, Amer. Math. Monthly 108 (2001) pp. 562564.Google Scholar
3. Honsberger, Ross Mathematical gems II, Mathematical Association of America, Dolciani Math. Expos. No. 2 (1976).Google Scholar
4. Klamkin, Murray S. Vector proofs in solid geometry, Amer. Math. Monthly 77 (1970) pp. 10511065.Google Scholar