Trigonometry

Peter Sassman, Aug 29, 2016

Table of Contents

  1. Bearing
    1. Finding the Bearing
  2. The Unit Circle
    1. The Unit Circle and Trigonometry
    2. Finding Exact Ratios Game
  3. The Sine Rule
    1. Sine Rule (Part 1)
    2. Sine Rule (Part 2)
    3. Sine Rule (Part 3)
    4. Sine Rule (Part 4)

1.

Bearing

Finding Bearing

  • 1. Finding the Bearing

1.1.

Finding the Bearing

– Peter Sassman

2.

The Unit Circle

The Unit Circle

  • 1. The Unit Circle and Trigonometry
  • 2. Finding Exact Ratios Game

2.1.

The Unit Circle and Trigonometry

– Peter Sassman

2.2.

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3.

The Sine Rule

Here we will learn about the problems of the sine rule.

  • 1. Sine Rule (Part 1)
  • 2. Sine Rule (Part 2)
  • 3. Sine Rule (Part 3)
  • 4. Sine Rule (Part 4)

3.1.

Sine Rule (Part 1)

The applet below will help explain the sine rule and its difficulties. Read the directions carefully, and then answer all questions below.
[b]Question 1:[/b] Draw the final labeled diagram (with circle) in your notebooks, labeling point(s) C.[br][br][b]Question 2:[/b] How many different places can point C be, and therefore, how many different triangles ABC can we create, where AB = 10 cm, BC = 6 cm, and angle CAB is 30 degrees?
– Peter Sassman

3.2.

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3.3.

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3.4.

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