How to solve inequalities that use the word "and" or "or."
How to evaluate expressions like tan(sin (4/5))^(-1).
How to evaluate the tangent of 3*pi/4.
The definition and explanation of cladistics.
How to use the method of substitution when the antiderivatives involve e^x or ln[x].
How to evaluate logarithms when the argument is a recognizable power of the base.
How to derive the area of a segment formula.
How to derive the formula for the area of an annulus.
How to derive the cosine of a difference formula.
How to derive the sine of a sum formula.
How to simplify rational expressions.
How to graph the special cases of the family r = a + b cos (theta) when a or b = 0.
How to transform the graph of a hyperbola.