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OpenStudy (undeaddragon26):
What is the domain and range of f(x) = cos(x)? Answer The domain is and the range is all real numbers. The domain is and the range is all real numbers. The domain is all real numbers and the range is The domain is all real numbers and the range is
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OpenStudy (anonymous):
cos(x) given answer ranges form -1 to 1 , while x can be any number given.
OpenStudy (anonymous):
you understand why?
OpenStudy (undeaddragon26):
yea
OpenStudy (undeaddragon26):
so a?
OpenStudy (anonymous):
uhh... probably?
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OpenStudy (anonymous):
wich one is a? the first one?
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