You did a great job of teaching the relationships between sin, cos, and tan. Things that I noticed that were probably beneficial to the learner were the diagrams of right triangles that you drew to improve the student's understanding of trigonometric ratios. I also found it very helpful to the learner that you provided alternate methods to get to the solution, such as the time when you mentioned cos 40 degrees = sin 50 degrees and proved it using diagrams of triangles and mentioning trigonometric ratios. Additionally, you mentioning the trigonometric formula sin^2 x + cos^2 x = 1 was very crucial as it could help the student with solving related problems in the future.
Tutor · 6 mo. ago
