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Trigonometry: Graphs

Problem : What is the period and amplitude of the cosine graph?

Problem : What is the period and amplitude of the graph of the following function: y = 2 sin(4x) ?

Problem : Are any of the trigonometric functions stretches of another trigonometric function, vertical or horizontal?

Problem : What is the period and amplitude of the following graph?

Problem : What is the period and amplitude of the following graph?

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