PERIOD CHANGES IN Y = SIN (X)
(Susan M. Hewitt)
PERIOD is the number, (360 / b) or (2 pi / b) , from the formula below:
y = a sin (b ( x - s )) + v
PERIOD tells us the "horizontal stretch" of the curve.
In this example, b = 2.
So, the period of the new curve is (360 / 2 or 180 degrees.)
In radians, it is (2 pi / 2) or ( pi ) radians.
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Last Modified on March 11,1996
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shewitt@nmu.edu
Copyright 1996 Susan Hewitt