Information Files

Additional Material

Background

Math 141 additional material files (you may find more than one item of direct interest for our class as well)
Summary of facts about exponential and logarithmic functions

Trigonometry

Greek Alphabet
A table (borrowed from the web) of exact trig function values
Trigonometric identities
Average rate of change of trigonometric functions
A proof of the addition formula for the sine and the cosine
Another proof for the Law of Cosines
Solving triangles

Summary of Triangle Geometry

Help for the Midterm

A cheatsheet listing basic trig formulas (up to chapter 6)

Examples of the type of problems that can appear in the Midterm

Polar Coordinates

Equations for lines and circles

Vectors

An application to ballistics