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Day 5 2017 2.6solving triangles.notebook 1 June 27, 2017 Jan 255:12 PM Applying Trigonometric Ratios To solve problems modelled by a right triangle using primary trigonometric ratios.

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Page 1: Applying Trigonometric Ratios - Weebly

Day 5 2017 2.6solving triangles.notebook

1

June 27, 2017

Jan 25­5:12 PM

Applying Trigonometric Ratios

  To solve problems modelled by a right 

triangle using primary trigonometric ratios.

Page 2: Applying Trigonometric Ratios - Weebly

Day 5 2017 2.6solving triangles.notebook

2

June 27, 2017

Jan 25­5:26 PM

Solving a triangle means to determine the measures of ALL the missing angles and the missing lengths of all the sides in the triangle.

We can use the following:

To find angle:                                       To find a side:

* Angles of     add to 180                     *Pythagorean Theorem

a2 + b2 = c2

 * Trig Ratios: Sin, Cos & Tan * Trig Ratios

Page 3: Applying Trigonometric Ratios - Weebly

Day 5 2017 2.6solving triangles.notebook

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June 27, 2017

Feb 13­2:17 PM

Draw and label the angles and sides of          if 

Page 4: Applying Trigonometric Ratios - Weebly

Day 5 2017 2.6solving triangles.notebook

4

June 27, 2017

Tangent Ratio Intro

2.6 Applying Trigonometric Ratios

2.6 Applying Trigonometric Ratios to Solve Problems

Solve     XYZ.

Give the measures to the nearest tenth.

5cm

18cm

Page 5: Applying Trigonometric Ratios - Weebly

Day 5 2017 2.6solving triangles.notebook

5

June 27, 2017

Tangent Ratio Intro

ç ?

2.6 Applying Trigonometric Ratios

2.6 Applying Trigonometric Ratios to Solve Problems

Example 1:Solve     XYZ

Give the measures to the nearest tenth. 820

Page 6: Applying Trigonometric Ratios - Weebly

Day 5 2017 2.6solving triangles.notebook

6

June 27, 2017

Tangent Ratio Intro

ç ?

2.6 Applying Trigonometric Ratios

2.6 Applying Trigonometric Ratios to Solve Problems

Example 2:Solve     DEF

15

35

Page 7: Applying Trigonometric Ratios - Weebly

Day 5 2017 2.6solving triangles.notebook

7

June 27, 2017

Tangent Ratio Intro

2.6 Applying Trigonometric Ratios

2.6 Applying Trigonometric Ratios to Solve ProblemsÛ

Solve the triangle.  Give the measures to the nearest tenth.

Page 8: Applying Trigonometric Ratios - Weebly

Day 5 2017 2.6solving triangles.notebook

8

June 27, 2017

Tangent Ratio Intro

2.6 Applying Trigonometric Ratios

Lesson Focus: Solving problems modelled by right triangles

2.6 Applying Trigonometric Ratios to Solve Problems

Individual Practice:   page 111­112  #6 ­ 9 and #15

Page 9: Applying Trigonometric Ratios - Weebly

Day 5 2017 2.6solving triangles.notebook

9

June 27, 2017

Tangent Ratio Intro

2.6 Applying Trigonometric Ratios

2.6 Applying Trigonometric Ratios to Solve ProblemsÛ

Solve the triangle.  Give the measures to the nearest tenth.

Page 10: Applying Trigonometric Ratios - Weebly

Day 5 2017 2.6solving triangles.notebook

10

June 27, 2017

Jan 25­5:25 PM