14.1c.notebook
March 14, 2012
1. Given y = 4sin2x. State the amplitude, period, and frequency. State the range.
2. Write an equation for the given graph
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14.1c.notebook
March 14, 2012
Graphs of y=asinbx and y=acosbx
Sketch on interval [0,2π]
1. Label x­axis with π/2,π,3π/2,2π.
(3 spaces between each)
2. State the amplitude, frequency, and period
3. Divide the period into 4 sections and sketch
one curve from 0 to 2π/b.
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14.1c.notebook
March 14, 2012
1. a) Sketch y =.5sinx and y = 3cos2x on [0,2π]
b) For how many values of x does
.5sinx = 3cos2x. 2. Sketch y = 2cos.5x and y =sin4x.
For how many values does sin4x = 2cos.5x?
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14.1c.notebook
March 14, 2012
3. Sketch y = ­2sin3x and y = 3cosx Sketch one cycle of y = ­sin.5πx.
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14.1c.notebook
March 14, 2012
Journal: State the period of y = 2cos4x. What does this represent?
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