(For the sake of intuition, 1/√0=0)

  • Rentlar@lemmy.ca
    link
    fedilink
    arrow-up
    4
    ·
    3 个月前

    My trick for this was:

    0  30  45  60  90 deg
    ---------------------------
    0  1   2   3   4
    

    Sine function of the top equals half the square root of the bottom number. Cosine is just in reverse order.