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Mathematics 8 Online
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°

OpenStudy (anonymous):

@Jhannybean

OpenStudy (jhannybean):

http://www.geocities.ws/petrinamaher/UnitCircle.GIF Use this! :D

OpenStudy (anonymous):

would that be c

OpenStudy (jhannybean):

Yessirree! :D

OpenStudy (anonymous):

thanks that helps !!!

OpenStudy (anonymous):

do you have a website for sin

OpenStudy (jhannybean):

Just google sine graphs :P

OpenStudy (primeralph):

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