1)   EMTask_Trigonometry 2.0
168767 solved trigonometric problems from basic to advanced, with test authoring options. Enables creation of math tests, homeworks, quizzes and exams of varied complexity in a minute. Generates 20 variant tests around a constructed example.
math, mathematics, problem-solving, training programs, mathematics software, solving trig equations, trigonometric arc-trigonometric functions, trigonometry, trigonometric equations, trigonometric identities,