Trigonometric Ratio Table

A complete set of vocabulary flashcards for sine, cosine, tangent, cosecant, secant, and cotangent values at standard angles as shown on the Trigonometric Ratio Table.

$$\sin(0^\circ)$$

$$0$$

$$\sin(30^\circ)$$

$$\frac{1}{2}$$

$$\sin(45^\circ)$$

$$\frac{\sqrt{2}}{2}$$

$$\sin(60^\circ)$$

$$\frac{\sqrt{3}}{2}$$

$$\sin(90^\circ)$$

$$1$$

$$\cos(0^\circ)$$

$$1$$

$$\cos(30^\circ)$$

$$\frac{\sqrt{3}}{2}$$

$$\cos(45^\circ)$$

$$\frac{\sqrt{2}}{2}$$

$$\cos(60^\circ)$$

$$\frac{1}{2}$$

$$\cos(90^\circ)$$

$$0$$

$$\tan(0^\circ)$$

$$0$$

$$\tan(30^\circ)$$

$$\frac{\sqrt{3}}{3}$$

$$\tan(45^\circ)$$

$$1$$

$$\tan(60^\circ)$$

$$\sqrt{3}$$

$$\tan(90^\circ)$$

$$\text{not defined}$$

$$\csc(0^\circ)$$

$$\text{not defined}$$

$$\csc(30^\circ)$$

$$2$$

$$\csc(45^\circ)$$

$$\sqrt{2}$$

$$\csc(60^\circ)$$

$$\frac{2\sqrt{3}}{3}$$

$$\csc(90^\circ)$$

$$1$$

$$\sec(0^\circ)$$

$$1$$

$$\sec(30^\circ)$$

$$\frac{2\sqrt{3}}{3}$$

$$\sec(45^\circ)$$

$$\sqrt{2}$$

$$\sec(60^\circ)$$

$$2$$

$$\sec(90^\circ)$$

$$\text{not defined}$$

$$\cot(0^\circ)$$

$$\text{not defined}$$

$$\cot(30^\circ)$$

$$\sqrt{3}$$

$$\cot(45^\circ)$$

$$1$$

$$\cot(60^\circ)$$

$$\frac{\sqrt{3}}{3}$$

$$\cot(90^\circ)$$

$$0$$