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Find the amplitude y = -5 sin one fourth x.

2 Answers

2 votes
The amplitude of a sinusoidal is the absolute value of the coefficient outside of the sin. In this case, it would be the absolute value of -5, which would be 5
User Willy Keatinge
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That would be the absolute value of the first constant -5

Answer is 5
User Murhaf Sousli
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