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

Finding the Amplitude and Period of a Function

Find the amplitude and period of the following functions and graph one cycle.

ⓐⓐ $y = 2 s in (\frac{1}{4} x)$
ⓑⓑ $y = - 3 s in (2 x + \frac{π}{2})$
ⓒⓒ $y = cos x + 3$

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

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