This branch of math, known as trigonometry ... coordinate corresponds to the exact value of the sine function for that angle. In a unit circle, a straight line traveling right from the center ...

Students are taught the "unit circle" and its relationship to trigonometry, but many fail to make the leap on how crucial circles are for trig functions. With static graphs and equations ...

This branch of math, known as trigonometry, has everyday practical applications ... The y-coordinate corresponds to the exact value of the sine function for that angle. In a unit circle, a straight ...

You may even remember from high school that the radius is any straight line that starts from the center of the circle and ends at its perimeter. A unit circle is just a circle that has a radius ...