Skip to Main Content

Mathematics: Trigonometry


Trigonometry is used for calculations involving angles and triangles.  

You may have heard of the 'Pythagorean Theorem' and 'sine, cosine & tan'?

Trigonometry is used in many industries, including construction. 


Work through the modules under the drop down arrow above to improve your understanding of trigonometry.


N.B. Scientific calculators include 'sin,' 'cos' 'tan' buttons which are required for some calculations involving trigonometry.



HD Calcs had produced many useful video tutorials on how to use scientific calculators.

Click the link & scroll to find tutorials on your calculator's particular brand...

For example, watch the video below from HD Calcs on how to use trigonometric functions.

Find help online

UCOL is part of Te Pūkenga - New Zealand Institute of Skills and Technology Learn More

Learn with purpose

Explore Te Pūkenga

Te Kāwanatanga o Aotearoa - New Zealand Government

Te Kāwanatanga o Aotearoa - New Zealand Government

Copyright © 2022 UCOL