This module will go through the principles of trigonometry and try to explain it in a simple and understandable way.

**Click to download workbook FS3**

**Module 1**

This video will give an introduction to the module

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**Module 2**

Determine the length of BC. Once completed view the model answer below;

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**Module 3**

Determine the length of AB. Once completed view the model answer below;

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**Module 4**

Determine the length of AB and then view the model answer below:

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**Module 5**

Determine the length of BC and then view the model answer below:

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**Module 6**

This module will go through an introduction to SOHCAHTOA

**Module 7**

Determine the length of AB and then view the model answer below:

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**Module 8**

Determine the length of BC and then view the model answer below:

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**Module 9**

Determine the length of AC and then view the model answer below:

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**Module 10**

Determine the length of AC and then view the model answer below:

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**Module 11**

Determine the length of AB and then view the model answer below:

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**Module 12**

Determine the angle at point B

**Module 13**

Determine the angle shown.

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**Module 14**

Determine the angle shown.

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**Module 15**

Determine the height of the building.

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**Module 16**

Calculate the distance from the building

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**Module 17**

Determine the height from the ground to point A.

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**Module 18**

Determine the distance between the two ladders

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**Module 19**

Determine the angle of the turntable ladder.

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**Module 20**

A ladder 10m from building A reaches a window 8m up. When you turn it over through 90 degrees it reaches a window 11.5m high on the other side.

How wide is the street and how long is the ladder?

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