College Algebra and Precalculus

- Built-In Functions. Sage has many built-in functions such as
`sin(x)`. - Defining Functions. To define a new function in Sage.
- Compositions of Functions. To define a composition of function in Sage.
- A simple two-dimensional plot. Plotting $y = x^2$ on the interval $-5 < x < 5$.
- Solving Equations. The
`solve`function solves equations. - Solving Linear Systems of Equations. The
`solve`function can also solve linear systems of equations. - Solving Equations for One Variable in Terms of Others. Solving equations for one variable in terms of others.
- Converting Between Degrees and Radians. How to convert between degrees and radians.
- Polar Coordinates. How to translate points into polar coordinates.
- Polar Plotting. How to plot in polar coordinates.