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Cambridge IGCSE Additional Mathematics

10.2-10.3Amplitude, period and graphs

Amplitude, period and graphs in Cambridge IGCSE Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic21 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 10.2Understand and use the amplitude and period of a trigonometric function and relate the graphs of related functions.
  2. 10.3Draw and use the graphs of y = a sin bx + c, y = a cos bx + c and y = a tan bx + c.

Lessons

  • Graphs of trigonometric functions

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Amplitude, period and graphs: sample question

1 mark

Find the maximum value of y=4cos⁡3x−1y = 4\cos 3x - 1.

Only if the answer has a unit, e.g. cm or km/h.

Turn Amplitude, period and graphs into a strength.

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