Carnot's Formulas

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Theorem

Carnot's Formulas: $1$

$\cos 2 \theta = 2 \cos^2 \theta - 1$


Carnot's Formulas: $2$

$\cos 2 \theta = 1 - 2 \sin^2 \theta$


Source of Name

This entry was named for Lazare Nicolas Marguerite Carnot.