- Similar Triangles and Trig Ratios Part 1
- Similar Triangles and Trig Ratios Part 2
- Similar Triangles and Trig Ratios Part 3
- Trig Ratios Application Activity
- Similar Triangles and Trig Ratios Part 4
- Discovering Cosine Law
- Discovering Sine Law

#### Similar Triangles and Trig Ratios Part 1

#### Similar Triangles and Trig Ratios Part 2

#### Similar Triangles and Trig Ratios Part 3

#### Trig Ratios Application Activity

#### Similar Triangles and Trig Ratios Part 4

#### Discovering Cosine Law

#### Discovering Sine Law

- Similar Triangles and Trig Ratios Part 1
- Similar Triangles and Trig Ratios Part 2
- Similar Triangles and Trig Ratios Part 3
- Trig Ratios Application Activity
- Similar Triangles and Trig Ratios Part 4
- Discovering Cosine Law
- Discovering Sine Law

#### Similar Triangles and Trig Ratios Part 1

I know it will be tempting to use your calculator here. But please do not!

#### Similar Triangles and Trig Ratios Part 2

I know it will be tempting to use your calculator here. But please do not!

#### Similar Triangles and Trig Ratios Part 3

Complete a selection of the following problems from Haese & Harris MYP Math 4. These will help you to solidify your usage of Trig Ratios. But remember that it is much more important that you understand how trig ratios work and their underlying concepts. The questions for practice here are relatively low level. If your understanding of the concepts is weak you will struggle when you see questions that are slightly unfamiliar.

- Page 270 12C.1 - Complete 3-5 problems of varying difficulty
- Page 272 12C.2 - Complete 3-5 problems of varying difficulty
- Page 274 12C.3 - Complete 3-5 problems of varying difficulty

#### Trig Ratios Application

Complete a selection of the following problems from Haese & Harris MYP Math 4. These will give you some practice with applying your understanding of Trig Ratios to some various word problems and 3D problems.

- Page 275 12D - Complete 3-5 problems of varying difficulty
- Page 282 12F - Complete 3-5 problems of varying difficulty

#### Similar Triangles and Trig Ratios Part 4

#### Discovering Cosine Law

Complete the following problems from Haese & Harris MYP Math 5 (Standard).

- Page 512 25E - Complete 1-4

#### Discovering Cosine Law

Complete the following problems from Haese & Harris MYP Math 5 (Standard).

- Page 509 25D.1 - Complete 1-2
- Page 511 25D.2 - Complete 1-2

Coming soon!

Coming soon!

Coming soon!

- Triangle Ratio Booklet
- Geogebra Trig Ratios
- Geogebra Discovering Cosine Law
- Geogebra Discovering Sine Law

#### Triangle Ratio Booklet

This booklet contains 90 triangles with angles from 1-89 degrees. You will use this booklet when we begin to look at trigonometric ratios.

#### Geogebra Trig Ratios

This Geogebra worksheet will help you to investigate trig ratios. You can see how changing one of the side lengths and angles will impact each of the ratios.

#### Geogebra Discovering Cosine Law

This Geogebra worksheet will help you to investigate the cosine law.

#### Geogebra Discovering Sine Law

This Geogebra worksheet will help you to investigate the sine law.