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Trigonometric graphs can be sketched when you know the amplitude, period, phase and maximum and minimum turning points. Learn about graphs of trigonometric functions in this National 5 Maths guide.

Need to brush up on a specific area, like factoring, fractions, or trig functions? Power Ups are single sessions that focus on refining skills in a fundamental topic.

have the same curve only shifted along the x-axis have an amplitude (half the distance between the maximum and minimum values) of 1 have a period (size of one wave) of 360˚ ...