The case of the disappearing angle units, or "the dangle of the angle"

08142019, 04:08 PM
Post: #21




RE: The case of the disappearing angle units, or "the dangle of the angle"
Hi, ijabbott
I am reading Trigonometric Delights, by Eli Maor. Chapter 4, Trigonometry becomes Analytic, page 53: Quote:Euler and his Introductio to fully incorporate complex numbers into trigonometry: with him the subject becomes truly analytic. 

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