# A Cute Finger Trick for Trigonometry (VIDEO!)

If we insist that students memorise the values of sine and cosine for the basic angles 0, 30, 45, 60 and 90 degrees, then here’s a cute little trick for doing so using the fingers on your hand. (Notice: This all goes against my principles of as a mathematician – memorisation is joyless! But I do admit this finger trick is cute.)