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OpenStudy (anonymous):
For what x-value(s) does cos(x) = -1?
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OpenStudy (anonymous):
X needs to be pi, which you can see on the graph of cos(x)
OpenStudy (anonymous):
my options are 360, -360, none of above, all of above
OpenStudy (anonymous):
It would be none of the above then, because 360 degrees equates to 2pi, which when plugged into this function is 1.
OpenStudy (anonymous):
gotcha
OpenStudy (anonymous):
Hi Kailee...is this for a trig class?
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