Problems 1-3
There are many problems throughout the text labeled IN YOUR OWN WORDS. Just relax. Do not be afraid to give your opinion. For the most part, these questions do not have "right" or "wrong" answers. You should spend about five minutes in answering each of these questions.

Problems 4
See the definition in the text.

Problems 5-9
See Example 4. You will need to understand this terminology to use the trigonometric ratios.

Problems 10-15
See the definition of the trigonometric ratios.

Problems 16-21
See Example 7.

Problems 22-27
See Example 1.

Problem 28
Use the Pythagorean theorem.

Problems 29-35
See Example 2.

Problems 36-40
See Example 6.

Problem 41
Use the Pythagorean theorem.

Problems 42-47
See Example 3.

Problems 48-49
See Example 5.

Problems 50-52
See Example 8.

Note: Homework Hints are given only for the levels 1 and 2 problems. You can also check some sources for homework help on the Internet (see Links, below), or you can call the author at (707) 829-0606 or send an e-mail to: smithkjs@mathnature.com