![trigonometry - How to figure out what the graph of $\frac{\ sin\ x}{x}$ - Mathematics Stack Exchange trigonometry - How to figure out what the graph of $\frac{\ sin\ x}{x}$ - Mathematics Stack Exchange](https://i.stack.imgur.com/t16IA.png)
trigonometry - How to figure out what the graph of $\frac{\ sin\ x}{x}$ - Mathematics Stack Exchange
![Exact Values of Trigonometric Functions: Values of trigonometric functions of certain angles that can be expressed exactly using expressions containing numbers and radicals. Exact Values of Trigonometric Functions: Values of trigonometric functions of certain angles that can be expressed exactly using expressions containing numbers and radicals.](https://www.allmathwords.org/equations/a/analyticvaltrigeqn09.png)
Exact Values of Trigonometric Functions: Values of trigonometric functions of certain angles that can be expressed exactly using expressions containing numbers and radicals.
![Ratios for Right Angle Triangles. Sine = opposite hypotenuse Cosine = opposite hypotenuse Tangent = opposite adjacent Sin = OCos = ATan = O H H. - ppt download Ratios for Right Angle Triangles. Sine = opposite hypotenuse Cosine = opposite hypotenuse Tangent = opposite adjacent Sin = OCos = ATan = O H H. - ppt download](https://images.slideplayer.com/36/10530687/slides/slide_2.jpg)