Graphing Trig Functions
Posted: June 1st, 2011, 9:02 pmGraphing Sine and Cosine
Sine function:
Cosine function:
The amplitude of
and 
represents half the distance between the maximum and minimum values of the function and is given by
)
)
a = vertical stretch/shrink amplitude
b = horizontal stretch/shrink period
c = move left or right phase shift
d = move up or down
Period of Sine and Cosine function:
Other info:
X-scale =
Phase shift =
If a is negative, there is an x-axis reflection
Sine function:
Cosine function:
The amplitude of
- Amplitude =
a = vertical stretch/shrink amplitude
b = horizontal stretch/shrink period
c = move left or right phase shift
d = move up or down
Period of Sine and Cosine function:
Other info:
X-scale =
Phase shift =
If a is negative, there is an x-axis reflection