How do you evaluate # sin(arctan(-3))#?
I want to add some nuances relating to
The angle for
So, the angle for positive
The angle for the opposite sign is in the 4th quadrant,
I think that I have elucidated on the fact that
The nuances like this are important when direction is important, particularly in space mechanics, to avoid blunders.
Library functions in the calculator/computer might give