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; .

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:

. Module 8

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

. Module 9

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

. Module 10

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

. Module 11

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

. Module 12

Determine the angle at point B Module 13

Determine the angle shown.

. Module 14

Determine the angle shown.

. Module 15

Determine the height of the building.

. Module 16

Calculate the distance from the building

. Module 17

Determine the height from the ground to point A.

. Module 18

Determine the distance between the two ladders

. Module 19

Determine the angle of the turntable ladder.

. 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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