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OpenStudy (anonymous):
Which set of x numbers makes cosx=4? A) 3pi/2, 7pi/2, 11pi/2 B) all multiples of Pi C) Pi, 3pi, 5pi D) 0, 2pi, 4pi
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OpenStudy (chihiroasleaf):
are you sure that you write the question correctly? :)
OpenStudy (anonymous):
Idk I copied it from the board I might have though it wasn't making any sense to me either!
OpenStudy (chihiroasleaf):
do you know what is the maximum and minimum value of cosine x?
OpenStudy (anonymous):
No it didn't list those, I think I copied it down wrong but thanks so much for the help! :)
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