About This Lesson
Easy way to use right triangle and label sides to find sin, cos, tan, cot, csc, and sec of the special angles, and of angles at multiples of 90°. Part 2. Videos organized by Julie Harland at yourmathgal.com.<br />For more great math videos visit: www.youtube.com/user/videosbyjulieharland/videos . Aligned to Common Core State Standard: HSF-TF.3
