Trigonometric ratios for 30°, 45° and 60°

In this tutorial I show you how you can calculate the exact values of sin, cos and tan of 30°, 45° and 60° without a calculator by memorising some basic triangles as seen in the video.

30°, 45° and 60° Trig ratios




2018-08-07T17:18:42+00:00
This website uses cookies and third party services. Settings Ok