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OpenStudy (anonymous):
For what x-value(s) does cos(x) = -1? A. -270°, -90°, 90°, and 270° B. -270°, -90°, 0°, 90°, and 270° C. -180° and 180° D. -360°, 0° and 360°
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OpenStudy (anonymous):
@Jhannybean
OpenStudy (anonymous):
would that be c
OpenStudy (jhannybean):
Yessirree! :D
OpenStudy (anonymous):
thanks that helps !!!
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OpenStudy (anonymous):
do you have a website for sin
OpenStudy (jhannybean):
Just google sine graphs :P
OpenStudy (primeralph):
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