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Is Trignonometry part of Geometry?

I don't use to consider a problem whose solution involves only trigonometric manipulations as "geometrical". For me such problems reflect more the algebraic skills not the geometric thinking.

This is relevant if we focus on training the "thinking"...

What dou you think?

Note by Hector Flores
3 years, 3 months ago

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isn't this similar to asking if analytic geometry is geometry? I guess it depends on the focus. If algebraic manipulations are the core of the problem, then not (it's just the clothing). I have even seen trigonometry problems solved by pigeon hole principle (so it's really a combinatorics problem dressed as trigonometry). But sometimes, specially when you work with sines' law and the alike, geometry is more evident.

Omm Yucatan - 3 years, 3 months ago

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