What is $ \lim_{x\rightarrow0} \frac{\sin x}{x}$ ? Recall the definition of a limit, repeated here for reference […]

# Year: 2020

## The Radian

A radian is defined as follows. $360^{\circ} = 2 \pi$ radians. Dividing both sides by […]

## Irrational Numbers

Are rational numbers the only numbers? The continuity of real numbers is an assumption in […]