Nokware Knight, Austin Henderson 3 November 2023 at 7:19 pm·8-min read The unit circle defines trigonometric functions in right triangle relationships, specifically known as sine, cosine, and ...

Part of that is the way it's taught. 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 ...

In fact some people prefer tau (t) – another circle constant representing the ratio between the circumference and radius of a circle. It equals 2 times pi, which is approximately 6.28.