Pre-Calculus A 1st Hour, Fall 2012

Inverse Sine Function Range: On this interval, y=arcsin x. Evaluating the Inverse Sine Function                   ...

Graph of the Tangent Function The tangent function is odd, therefore the graph y=tanx is symmetric with respect to the origin.  t an ...

If an equation contains one or more variables and is valid for all replacement values of the variables for which both sides of the equat...

The Unit Circle     What is the Unit Circle? The unit circle is a circle whose center is at the origin with a radius of one...

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Rational Functions For graphing rational functions we need to follow these steps:  1)  Find any intercepts, if ther...