Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Learn how to simplify complex trigonometric expressions and verify trigonometric identities in this 16-minute math tutorial video. Master the step-by-step process of working with expressions involving cosine, secant, sine, and cosecant functions. Gain practical problem-solving skills for tackling trigonometric identity problems commonly found in high school and college-level mathematics courses.