Advanced Algebra

Chapter 10 Assignment List

Enduring Understanding:

Many real world applications involve the use trigonometry.

Essential Questions:

• What well-known formula results from the Law of Cosines when the angle used in the formula is a right angle?
• Under what conditions would you use the Law of Cosines, the Law of Sines, or simple right triangle trigonometry? Explain.

· How are an angle of elevation and an angle of depression related?

Section 10-1A Pages 684 #1 - 13, 18 - 26

§ Describe how you can use trigonometric ratios to solve for an unknown side length of a right triangle.

Section 10-1A Worksheet

§ Describe how you can use trigonometric ratios to solve for an unknown measure of an angle of a right triangle.

Section 10-2A (Day 1) Page 713 #1, 6 - 18

§ Under what conditions would you use the Law of Cosines? What information is needed in order to find the length of an unknown side using this method?

Section 10-2A (Day 2) Worksheet

§ Using the Law of Cosines, is it possible to find the measure of an angle.

Section 10-2B Pages 721 #1 - 12, 14 – 18

§ When solving for a side length in a triangle, how do you decide whether to use the Law of Sines or the Law of Cosines?

Review Worksheet

§ Answer the essential questions.

Chapter 10 Test Essential questions due