Trigonometry
Discover all about Trigonometry in this section, from discovering the relationships themselves to practising the skills required.
Trigonometry (QQI)
|
Use this QQI activity to get get as much practice as you need on calclating with the trig ratios.
|
Use this activity to investigate the relationship between the side length of similar right angled triangles
|
Finding Lengths (GGB)
|
In this activity you can practice finding lengths using trig, and adjust the settings to get as many questions as you want!
|
These two videos give examples of how to use trigonometry to find the lengths of two missing sides of a right angled triangle, when you know an angle and one side.
|
This is a worked through example of how to use trigonometry to calculate the missing angles in a right angled triangle.
|
Sine Rule (Video)
|
Two worked examples and descriptions of how to use the Sine Rule, one showing how to find lengths and one showing how to find angles.
|
Cosine Rule (Video)
|
These two videos go through a worked example of using the Cosine Rule to find a missing length, and then another example to find a missing angle.
|
Sine and Cosine Rules (Video)
|
Two examples of how to use a mixture of the Sine Rule and Cosine Rule to find all the missing information for a given triangle.
|
If you like the page then tweet the link using the button on the right.
|