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New Zealand
Level 8 - NCEA Level 3

Amplitude of sine and cosine

Interactive practice questions

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What is the amplitude of the graphs of $y=\sin x$y=sinx and $y=\cos x$y=cosx?


What is the period of the graphs of $y=\sin x$y=sinx and $y=\cos x$y=cosx in radians?

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Consider the expression $\cos\theta$cosθ.

How does the graph of $y=4\cos x$y=4cosx differ from the graph of $y=\cos x$y=cosx?

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Is the following statement true or false?

"The amplitude of $y=5\cos x$y=5cosx is greater than the amplitude of $y=\cos x$y=cosx."



Display and interpret the graphs of functions with the graphs of their inverse and/or reciprocal functions

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