amazing app!
i have never written a review before.. but this app deserves it, im in advanced placement classes, so im taking trig a year early, and i wanted to get ahead and start learning so that i can focus on other classes more, and i have learned so much! the lessons are easy to follow and i have been flying through a year a trig before school even started! it is a great app:)
carlybarleyx3 about
Khan Academy: Trigonometry, v1.0.0