atan2 - Wikipedia
Arctan Excel Functions: Use ATAN and ATAN2 to Calculate Inverse Tangent - EngineerExcel
ATAN2 examp - YouTube
c++ - atan2() using two vectors - Stack Overflow
The Universe of Discourse : Calculating π with atan2()
arctan using a calculator - YouTube
ProgrammingAI: Calculating the bearing between two points
Arctan Excel Functions: Use ATAN and ATAN2 to Calculate Inverse Tangent - EngineerExcel
atan2 - Wikipedia
mathematics - What are atan and atan2 used for in games? - Game Development Stack Exchange
Eddie's Math and Calculator Blog: ATAN2 using tan^-1 and angle/ARG (Various Calculators)
ATAN2 examp - YouTube
atan2 - Wikipedia
atan2 - Wikipedia
Four-quadrant inverse tangent of fixed-point values - MATLAB atan2
Excel ATAN2 Function
Excel ATAN2 function | Exceljet
Online calculator: Two arguments arctangent
C++ atan2
atan2 - Wikipedia
Excel ATAN2 function | Exceljet
Four-quadrant inverse tangent - MATLAB atan2
