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What is the phase shift for the function Y= 3.2 COS(1.5(x-4pi))

What is the phase shift for the function Y= 3.2 COS(1.5(x-4pi))-example-1
User Ricardo Acras
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1 Answer

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Y= 3.2 COS(1.5(x-4π))

Phase shift is the number that goes with x, (adding or substracting)

Then phase shift is -4π

Answer is : OPTION C) 4π to the right