4.5 Notes: Graphs Of Sine And Cosine Functions-Days 1 & 2
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1
2Precalculus
Name _______________________
4.5 Notes: Graphs of Sine and Cosine Functions- Days 1 & 2
Graph the sine function. First complete the x-y chart by listing the corresponding radian measure for each degree measure.
Strategically select angles (inputs) that have rational output values. Then, determine the y-value (output) for each x-value
(input). Notice the pattern and continue graphing until the entire grid is filled. Use the unit circle to help you complete the
table.
y = sin( x )
x
x
y
radians
degrees
1
π
6
−1
0
0°
Ø Domain: ________
Ø Range: ________
Ø Period is the length of ONE CYCLE .
Determine how many radians it takes before
the sine curve starts to repeat?
Period: ________
Ø Amplitude is the height of the wave from the
midline. For this parent function, the midline
is the x-axis.
Amplitude: ________
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