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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.
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
Day 5 2017 2.6solving triangles.notebook
3
June 27, 2017
Feb 132:17 PM
Draw and label the angles and sides of if
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
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
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
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.
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
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.
Day 5 2017 2.6solving triangles.notebook
10
June 27, 2017
Jan 255:25 PM