Unit 7 - Trigonometry - Resources

Trigonometry - the use of trigonometry is very important:

• Uses of Trigonometry - countless fields requires application of trigonometry.
• What are real world applications of trigonometry? - two very interesting examples!
• Trigonometry: What it is good for? - a historical perspective on the uses of trigonometry.
• Some of the Many Uses of Trigonometry - many examples make you wonder what trigonometry isn't used for!

Solving Right Triangle Problems - apply trigonometric ratios to solve problems:

• The Right Triangle and Applications - several examples employing trigonometric functions.
• Solving Right Triangle Problems - a huge interactive lesson with interesting examples.
• Trigonometry of Right Angles - some example problems for you to try.

Text Pages 238-251

Sine and Cosine Law - more powerful tools for triangles:

• The Law of Sines - a tutorial with example problems.
• Law of sines - a very thorough explanation.
• The Law of Cosines - here's the proof!
• Cosine Law - this applet will do the work for you! Oh, and there is an applet for Sine Law as well!
• Sine Law - animated explanation, and example problems too.

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