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Mathematics 12 Online
OpenStudy (df001):

Sin(x+pi/4) Phase shift = -pi/4 How do you know where to end when graphing being that -pi/4 is the start?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

graph sine, move the graph to the left \(\frac{\pi}{4}\) units

OpenStudy (df001):

But how do you know where to end

OpenStudy (df001):

I need help???

OpenStudy (anonymous):

what do you mean end

OpenStudy (anonymous):

for every x you will go 2pi so thats the period or how wide each wave is

OpenStudy (df001):

like, if I were not given something like -2p<x<2pi

OpenStudy (df001):

to plot a graph

OpenStudy (df001):

and i had to find my own phase shift which is usually the start of a graph for 1 cycle

OpenStudy (df001):

how do i find the end if phase shift is the start?

OpenStudy (anonymous):

go in 2pi intervals from your phase shift

OpenStudy (df001):

does this apply for all trig func graphs?

OpenStudy (df001):

so if my phase shift is -pi/4, do i plus 2pi

OpenStudy (df001):

and go in that direction to the left

OpenStudy (anonymous):

yes phase shift to the left

OpenStudy (df001):

am I suppose to add pi or 2pi to find my end graph?

OpenStudy (df001):

|dw:1429755601004:dw|

OpenStudy (df001):

adding -pi/4 to pi gives me the end of the graph

OpenStudy (anonymous):

you dont shift up or down unless you add or subtract outside of the trig function

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