OpenStax, Algebra and Trigonometry 2e §8.1 Graphs of the Sine and Cosine Functions · Example 6 · Trigonometry · Graphs of trig functions

Graphing a Function and Identifying the Amplitude and Period

Sketch a graph of $f (x) = - 2 s in (\frac{π x}{2}) .$

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OpenStax, Algebra and Trigonometry 2e · §8.1 Graphs of the Sine and Cosine Functions · Example 6

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