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Help on query formulation
If not, then what if as well? Unexpected trigonometric insights. (English)
Math. Enthus. 9, No. 1/2, 19-36 (2012).
Summary: In performing an exercise of “what if not", one can end up with a paucity of structure. Adding alternative structure can be a rich source of discovery, as we present here. The framework of this presentation is the original voyage of discovery, from a trivial geometric problem to the derivation of some unexpected trigonometric formulae based on regular polygons. The original “voyage" has been changed only sufficiently to make the text readable.
Classification: G60
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