Trigonometric Ratios and Reference Angles of General Angles

Useful for classroom demonstration to introduce the trigonometric ratios of general angles. Students can also use it for self directed learning and revision. Adapted by Kathryn Brenneman for MA 111 at NCSU, Fall 2012. Adapted from


Kathryn Brenneman

Resource Type
angle  general  ratio  ratios  reference  trigonometric 
Target Group (Age)
15 – 18
English (United States)
© 2018 International GeoGebra Institute