Make sure a calculator is in the right mode when using it for trigonometry. Use a calculator for trigonometry with tips from an assistant mathematics professor in this free video on mathematics.
Expert: Dr. Stefan Forcey and Dr. Michael E. Reed
Contact: www.tnstate.edu/
Bio: Dr. Stefan Forcey received his Ph.D. in Mathematics from Virginia Tech University in 2004. Dr. Michael Reed received his Ph.D. in mathematics from the University of Arkansas.
Filmmaker: Dimitri LaBarge