TRIGONOMETRIC FUNCTIONS
A short course in trigonometry
written by David E. Joyce
Introduction
to Trigonometry
Frequently Asked Questions
about Trigonometry
Angles and Degree Measure
More on
angles
with exercises and answers at the end
What is a radian?
(Description and problems on different levels)
More
on radian measure
Discussion of
rotations
, etc
Change from radians to degrees and back
(Click on Build Worksheet)
Reference Angles
Reference Angle
Problems
(Click on Build Worksheet)
Trigonometric Ratios in Right Triangles
Special Triangle Values
More
about trigonometric functions -- includes special angles, graphs, and some identities
Definitions
More
on Right Triangles
Right Triangle Definitions of Trigonometric Functions
of the trigonometric functions
(Look at Trigonometric Functions and the problems)
Trigonometric Ratios
for acute angles
The Journey of
SohCahToa
story
Trigonometric Functions on The Unit Circle
Ferris Wheel
demonstration
Unit Circle
applet
Trigonometric Functions of Any Angle
Trigonometric Functions for any angle
Applying Trigonometric Functions
Solving Right Triangles
The Law of Sines
Area
The Ambiguous Case for the Law of Sines
The Law of Cosines
Solving Triangles
Acute Angle
Word Problems
(Click on Build Worksheet)
Summaries & Review Problems:
Trigonometric Functions
Test Questions
to answer
Review
information
Go to
Precalculus Page
Go to
Precalculus Lesson Page