Trigonometry

The resources included below revisit some Maths topics needed in your STEM modules. Watch the videos and work through the exercises to boost your knowledge and understanding. If you need to 'dig deeper', please check the Foundations section on the previous page or if you are looking for something more specific, use "Ctrl+F" for a faster search.

Enjoy your learning!

Functions

Domain and Range

• Video: What is the Domain and Range of a Function and how to find them from a Graph?

Composite  Functions

• Video: What are Composite Functions and how to solve them?
• Composite Functions
• Khan Academy exercises

Inverse Functions

• Video: What are Inverse Functions and how to solve them?
• Inverse Functions

Triangles

Right-angled triangles

• Video: SIN, COS and TAN
• SOHCAHTOA Exercises with worked solutions
• Corbett maths worksheet

Sine and cosine rule

• Video: Sine Rule
• Video Cosine Rule
• Corbett Maths Exercises with solutions on Sine and Cosine Rule
• Sine and Cosine Rules Practice with Worked Solutions

Area of a triangle using the A = 1/2 absinC Rule

• Video: Area of a triangle
• Finding the area of a triangle using sine

Trigonometric Functions

Graphs

• Video: Graphing trigonometric functions
• Graphs of trig functions: examples and Exercises with Solutions

SEC, COSEC and COT

• Video: Secant, Cosecant and Cotangent
• The Secant, Cosecant, and Cotangent Functions -Example and Exercises

Identities

• Video: Trig Identities
• Trig identities
• Addition formulae
• Double angle formulae

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