Calculator test

[AnnoyedOne]

(12-13-2024 02:37 PM)Commie Wrote:  ...how do know which one to use?

Because k=1 is both valid and easy It also results in the "principal value" as the answer.

A1

PS: Think of 'k' as the cycle number going off to infinity in both direction. k=1 is end of the "first" cycle.

PPS: This is an image of a sinewave on an oscilloscope. See the pattern? Each up/down around zero is a "cycle".

https://i.ytimg.com/vi/2ect8INTebU/maxresdefault.jpg