Tag Archives: SOL T.2

Trigonometry – Unit Circle Construction – COUNTING METHOD

By | October 6, 2016

Unit Circle Construction – COUNTING METHOD In this tutorial students learn how to create the Unit Circle based off of memorization. Virginia Standards of Learning (SOL) T.1, T.2, T.3 Notice how all of the (x,y) values have a denominator of 2. Notice the 1, 2, and 3 counting technique used for each of the numerators. Take the square… Read More »

Trigonometry – Unit Circle construction from scratch

By | October 5, 2016

Unit Circle construction from scratch In this tutorial students learn how to create the Unit Circle based on knowledge of the 30,60,90 and 45,45,90 special triangle and fact that x=cos(theta) and y=sin(theta). Virginia Standards of Learning (SOL) T.1, T.2, T.3 Notice how all of the (x,y) values have a denominator of 2. Notice the 1, 2, and 3… Read More »