One circle, three graphs. 17 slides build sin, cos and tan from the unit circle, then cover exact values, CAST, related-angle rules (90° − θ, 180° ± θ, 360° − θ) and solving equations from 0° to 360°.

Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the gcf and simplifying the factored equation ...

Two complete trigonometry lessons that take students from the unit circle to the harmonic form. The Unit Circle and Trig Graphs (17 slides, a 40-question worksheet) builds sin, cos and tan from the ...

👉 Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on ...