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14:53, 14 July 2023Helpfultalkcontribs deleted page Atan versus atan2(content was: "{{programming}} {{stub}} <!-- Quick review of the geometric properties of a right angled triangle, via SOHCAHTOA: tan(angle) = opposite_length / adjacent_length And if you know the sizes of the two straight edges, you can use the arctangent (a.k.a. arctan, atan) to go the other way: atan( opposite_length / adjacent_length ) = angle So if you know the angle, you know th...", and the only contributor was "Helpful" (talk))