you've heard of sine and cosine
now get ready for uh squine and cosquare
you've heard of sine and cosine
now get ready for uh squine and cosquare
@acegikmo There's a nice Math Magazine article about the analogous functions for \(x^4+y^4=1\).
https://www.tandfonline.com/doi/abs/10.4169/math.mag.84.4.257