Trigonometry Fundamentals

Special Angle Values

* \sin(0) / \cos(0) / 0 / 1

* \sin(\pi/6) / \cos(\pi/6) / 1/2 / \sqrt{3}/2

* \sin(\pi/4) / \cos(\pi/4) / \sqrt{2}/2 / \sqrt{2}/2

* \sin(\pi/3) / \cos(\pi/3) / \sqrt{3}/2 / 1/2

* \sin(\pi/2) / \cos(\pi/2) / 1 / 0

* \sin(\pi) / \cos(\pi) / 0 / -1

Derived Functions & Identities

* Tangent Identity: \tan(\theta) / \frac{\sin(\theta)}{\cos(\theta)}

* Cosecant Identity: \csc(\theta) / \frac{1}{\sin(\theta)}

* Secant Identity: \sec(\theta) / \frac{1}{\cos(\theta)}

* Cotangent Identity: \cot(\theta) / \frac{1}{

\tan(\theta)}