SOLUTION: The blade of a saber saw moves vertically up and down at 18 strokes per second. The vertical displacement y(in cm)is given by y=1.2 sin 36 pi t , where t is in seconds. Sketch at l

Algebra ->  Algebra  -> Trigonometry-basics -> SOLUTION: The blade of a saber saw moves vertically up and down at 18 strokes per second. The vertical displacement y(in cm)is given by y=1.2 sin 36 pi t , where t is in seconds. Sketch at l      Log On

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Question 179353: The blade of a saber saw moves vertically up and down at 18 strokes per second. The vertical displacement y(in cm)is given by y=1.2 sin 36 pi t , where t is in seconds. Sketch at least two cycles of the graph of y vs. t.
Answer by stanbon(48558) About Me  (Show Source):
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The blade of a saber saw moves vertically up and down at 18 strokes per second. The vertical displacement y(in cm)is given by y=1.2 sin 36 pi t , where t is in seconds. Sketch at least two cycles of the graph of y vs. t.
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y = 1.2sin(36pi t)
amplitude = 1.2
period = (2pi/36pi) = 1/18 (approximately 3.167 degrees)
shift = 0
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graph%28400%2C300%2C-.057%2C.057%2C-2%2C2%2C%281.2%29sin%2836%2A3.14159x%29%29.
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Cheers,
Stan H.