The Universe of Discourse : Calculating π with atan2()
atan2 - Wikipedia
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Eddie's Math and Calculator Blog: ATAN2 using tan^-1 and angle/ARG (Various Calculators)
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atan2 - Wikiwand
atan2 - Wikipedia
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ATAN2 examp - YouTube
mathematics - How does atan2 work when getting angle of a vector? - Game Development Stack Exchange
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trigonometry - heading angle calculation using atan2 - Mathematics Stack Exchange
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Documentation/Calc Functions/ATAN2 - The Document Foundation Wiki
Excel ATAN2 Function
ATAN2 function calculator and graph
Use atan2 function instead of atan - EasyHack - LibreOffice Development Blog
atan2 - Wikipedia
atan2 - Wikipedia
