• akari@lemmy.blahaj.zone
    link
    fedilink
    arrow-up
    1
    ·
    10 months ago

    f and g form the top an bottom of the circle. note that they only differ by a single sign

    you need two of them because a circle can’t be expressed by a single function of x as it needs to map every x value to 0 to 2 y values