Ch. 2 Trigonometry

Chapter 2 Assignments

• Angles in Standard Position
• Trig Ratios of Any Angle
• The Sine Law
• Sine Law Ambiguous Case
• Cosine Law 2013

Trig Review Answer Key

Welcome back to the world of trig!  Last year, you learned the three primary ratios (sin x, cos x, and tan x) and this year we add to that knowledge base.

Where are we going to use trig you might ask?  Check out the following to answer that question.  Below that, there are some links to helpful sites.  Enjoy!

Why Trig?

• Design and landscaping
• Determining Avalanche Risk
• Jobs that Require Trig

Helpful Links:

• SparkNotes:  Trigonometry – if you click on the “next section” icon at the bottom of this page, it takes you to an online practice quiz.
• Angles in Standard Position (Video Clip)
• Special Triangles (PurpleMath)
• Basic Trig Ratios Examples
• Basic Trig (Video – Khan Academy)
• The Sine Law (MathisFun)
• The Sine Law (Video)
• Cosine Law (MathisFun)
• Cosine Law (Video)
• When to use The Sine Law or Cosine Law