Match the Graph with the Correct Equation

question 229

Multiple Choice

Match the graph with the correct equation.
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• A) y = cos 3x cos (-3) + sin 3x sin (-3)
• B) y = cos 3x cos (-3) - sin 3x sin (-3)
• C) y = sin 3x cos (-3) - cos 3x sin (-3)
• D) y = sin 3x cos (-3) + cos 3x sin (-3)

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