History of trigonometry: Revision history

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25 August 2024

  • curprev 21:3321:33, 25 August 2024 imported>ELApro 93,457 bytes +93,457 →A History of Mathematics (1893): (1) p. 245: De Moivre..revolutionised higher trigonometry by the discovery of the theorem known by his name [ ( cos ⁡x + i sinx )^n = cos nx + i sin⁡ nx, and by extending the theorems on the multiplication and division of sectors from the circle to the hyperbola.
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