OpenStax, Precalculus 2e §7.6 Modeling with Trigonometric Functions · Example 3 · Trigonometry · Identities

Graphing Sinusoidal Functions Using Key Points

Graph the function $y = - 4 cos (π x)$ using amplitude, period, and key points.

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OpenStax, Precalculus 2e · §7.6 Modeling with Trigonometric Functions · Example 3

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