For Pre-Calculus and Calculus, use these 5 minute quizzes once a week to keep their trig knowledge fresh. It has 12 weeks of quizzes, with two forms for each week (so that makes 24 weeks if you only use one form each week). Trig material covered includes Unit Circle knowledge Converting degrees to radians and vice versa Quadrants for positive and negative values, where angles lie Finding Reference angles Finding any trig value for special angle values Solving basic trig equations Factor trig e