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• ### Special Function Types and Their Graphs

Functions can be categorized in many different ways. Here, you see functions in terms of the operations being performed. Here, though, you see classif...

• ### The Differences between Pre-Calculus and Calculus

Every good thing must come to an end, and for pre-calculus, the end is actually the beginning — the beginning of calculus. Calculus includes the stu...

• ### 10 Polar Graphs

Here you find some pretty amazing curves that are formed from some pretty simple function equations. The trick to drawin...

• ### Pre-Calculus For Dummies Cheat Sheet

Pre-Calculus bridges Algebra II and Calculus. Pre-calculus involves graphing, dealing with angles and geometric shapes such as circles and triangles,...

In Calculus

• ### Trig Identities for Pre-Calculus

Of course you use trigonometry, commonly called trig, in pre-calculus. And you use trig identities as constants throughout an equation to help you sol...

In Calculus

• ### Right Triangles and Trig Functions for Pre-Calculu

If you’re studying pre-calculus, you’re going to encounter triangles, and certainly the Pythagorean theorem. The theorem and how it applie...

In Calculus

• ### Pre-Calculus Unit Circle

In pre-calculus, the unit circle is sort of like unit streets, it’s the very small circle on a graph that encompasses the 0,0 coordinates. It ha...

In Calculus

• ### How to Format Interval Notation in Pre-Calculus

In pre-calculus you deal with inequalities and you use interval notation to express the solution set to an inequality. The following formulas show how...

In Calculus

• ### Absolute Value Formulas for Pre-Calculus

Even though you’re involved with pre-calculus, you remember your old love, algebra, and that fact that absolute values then usually had two poss...

In Calculus