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SOHCAHTOA Resource (Free Download)

Suitable for Year groups: 9, 10, 11

SOHCAHTOA resource description

This resource is a great reference tool for students calculating missing sides in right angled triangles using either sine, cosine or tangent. There are three illustrated examples, one for each function. In each case the numerator of the ratio is to be found.

SOHCAHTOA

This resource introduces SOHCAHTOA, a memory tool (mnemonic) essential for solving problems in trigonometry.

 

Why is trigonometry important?

Trigonometry has broad applications in various fields:

  • Construction: Calculating angles and distances for building design.
  • Navigation: Used by sailors, pilots, and surveyors.
  • Physics & Engineering: Analysing forces, motion, and structures.

How can this resource help?

This resource explains the SOHCAHTOA mnemonic:

  • What it stands for: Sine, Cosine, Tangent (and their ratios).
  • How it's used: Find sides & angles in right-angled triangles.
  • Visual aid: Includes a diagram for easy reference.
  • Free PDF download: Offers an accessible study tool.

 

Benefits for learners:

  • Improves understanding of trigonometric ratios.
  • Supports problem-solving in trigonometry.
  • Provides a foundation for advanced maths and science topics.

This resource is perfect for teachers introducing trigonometry. It's also ideal for students seeking a memorable way to learn the ratios or for parents helping with maths revision.

 

Also, have a look at our wide range of worksheets that are specifically curated to help your students practice their skills related to trigonometry. These teaching resources and worksheets are in PDF format and can be downloaded easily.

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