Trigonometry

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Module A4-Comparing numbers (part of module only) (PDF*643kb)

This document includes:

• Comparing quantities of subtraction
• Comparing quantities by division (including percentages)
• Ratios (including ratios in squares, rectangles, circles & triangles)
• Rates

A more detailed list of topics is also available: Comparing numbers - contents

Module B8-Trigonometry (PDF*1.18mb)

This document includes:

• Sine (including the sine ratio, the sine function, the inverse of the sine function, degrees, minutes and seconds, amplitude and period)
• Cosine (including the cosine ratio, the cosine function, the inverse of the cosine function, amplitude and period)
• Tangent (including the tangent ratio, the tangent function, the inverse of the tangent function, amplitude and period)
• Putting it all together (including Pythagoras’ identity)

A more detailed list of topics is also available: Trigonometry - contents

Module C4-Trigonometric functions (PDF*1.1.mb)

This document includes:

• Radian measure (including what are radians, converting from degrees to radians, converting from radians to degrees, using radians measure in real world applications)
• Graphs of sine, cosine, and tangent functions
• Modelling using trigonometric functions (including amplitude, vertical shift, the period of trigonometric functions, the phase of trigonometric functions)
• Inverse functions
• Solving trigonometric equations

A more detailed list of topics is also available: Trigonometric functions – contents

Module D4-Trigonometry (PDF*645kb)

This document includes:

• Radian Measure
• Polar Co-Ordinates
• Trigonometric Identities and Multiple Angle Formulae
• Solving Trigonometric Equation
• Periodicity
• Amplitude
• Triangle Solution
• Compound Angles
• Solving Equations Involving Trigonometric Functions

A more detailed list of topics is also available: D4 Trigonometry - contents

Animated activities (videos, Breeze presentations, online tutorials)
Files may be in Macromedia format which require the use of Macromedia Flash Player. A free copy of Macromedia Flash Player may be obtained from Adobe.

• Introductory trigonometry* (19:58 mins)  
• Solution of triangles
• Trigonometric identities

Web links

SOS Mathematics (trigonometry) - short explanations and examples

*This video is accessible to broadband (or better) users.