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Unit 1, Lesson 2, Investigation 1 and 2 Recap

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Ithaca High School Lesson Plans

Content Standards and Benchmarks:

II,3,1: Select and use appropriate tools; make accurate measurements using both metric and common units, and measure angles in degrees and radians.

          II,3,5: Use proportional reasoning and indirect measurements including applications of trigonometric ratios, to measure inaccessible distances and to determine derived measures such as density.

 

Objective:

After a class discussion the previous few days regarding the application of Trigonometric Ratios and the Law of Sines students will be able to complete the worksheet given to them.

 

Introduction:

Warm-up:

          Review how to use Trigonometric Ratios and the Law of Sines as a group before doing the worksheet as a group.

 

Guided Practice:

Students will work through the next few problems on the worksheet they are given.  We will then check them together as a group.

 

Independent practice:

Students will be assigned Ex Set 2 #1-6, and Pg 40, M #2 due tomorrow.

 

Closure:

     As a class we will review when we can use the Law of Sines

-         In what type of triangle?

-         What types of info do you need to know?

     As a class we will review when we can use Trigonometric Ratios

-         In what type of triangle?

-         What types of info do you need to know?

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