Pinterest • The world’s catalogue of ideas

Hand trick to help high school students remember the unit circle - works for left or right-handed students.

pin 3.8k
heart 361
speech 2

Full explanation Hand unit circle - I might mirror it on my right hand instead so that my cosine is on the left and sine is on the right.

pin 137
heart 13

Calculus for Beginners and Artists is an online textbook that provides an overview of Calculus in clear, easy to understand language designed for the non-mathematician. Thank you MIT OpenCourseWare for awesome, free resources and classes!!!

pin 670
heart 57

A useful way to remember sin(30), sin(45), sin(60): think "1, 2, 3"; cos(30), cos(45), cos(60): think "3, 2, 1" |

pin 279
heart 18