Reply to post: Re: Trigonometry is not about triangles...

Forget trigonometry, 'cos Babylonians did it better 3,700 years ago – by counting in base 60!

Charles 9 Silver badge

Re: Trigonometry is not about triangles...

If trigonometry really were about circles, then why the "tri"?

I will agree with you, though, that there's a surprisingly strong connection between circles and triangles. Thus if you were to plot a graph of the Pythagoream Theorem (x^2 + y^2 = z^2), you get a perfect circle of radius z.

PS. Interestingly, if you generalize the equation to x^n + y^n = z^n and plot their graphs for greater values of n, you find the graph morphs from a circle to a square as n approaches infinity.

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