Mr. Dorff's PreCalculus Website

Unit 1	Functions
Textbook Assignments	Online Assignments	Extra Tools
Notes Vocabulary Team Test Answers	Function notation interpretation word problems Graphs of piecewise linear functions Domain and range from graph Function domain word problems Domain of advanced piecewise functions Shift functions Transforming functions Restrict domains of functions to make them invertible Finding Inverse Functions Verifying Inverse Functions Determine if a function is invertible	Here is a straightforward explanation of the transformation of functions from PurpleMath.com. This quiz is a good review of function transformations, so please take it. Here is an easy to use online graphing calculator.
Unit 2	Unit Circle
Textbook Assignments	Khan Academy Assignments	Extra Tools
Notes	Benchmark Angles Special Right Triangles Trig Values of Special Angles Symmetry and Periodicity of Trigonometric Functions Vocabulary Words: Standard Position of an Angle Coterminal Angles Reference Angles	Here is a web-based game to practice the unit circle. Here is another online resource to help you practice the unit circle.
Unit 3	Sinusoidal Functions
Textbook Assignments	Khan Academy Assignments	Extra Tools
Notes	Graphing Trig Functions Amplitude of Trig Functions Midline of Trig Functions Period of Trig Functions Modeling Periodic Functions Radians & Degrees – Conversion Radians and Arc Lengths Radians on the Unit Circle Understanding Inverse Trig Functions Inverse Trig Word Problems Modeling with Periodic Functions (2)	Here is a useful converter (radians-degrees) that gives you the answer and shows you the work. Here is a straightforward explanation of the formulae for trig function transformations.
Unit 4	Trig Identities
Textbook Assignments	Khan Academy Assignments	Extra Tools
Notes	Prove Polynomial Identities Circles and Pythagorean Identities Angle Addition Formulae Solving Sinusoidal Equations (basic) Solving Sinusoidal Equations (advanced)
Unit 5	Triangle Trigonometry
Textbook Assignments	Khan Academy Assignments	Extra Tools
Notes	Trig Ratios in Right Triangles Law of Cosines Law of Sines Right Triangle Word Problems Magnitude of Vectors Equivalent Vectors Components of Vectors Find Vector Components from Magnitude & Direction Add & Subtract Vectors Add & Subtract Vectors (magnitude & direction) Add & Subtract Vectors (graphically)