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OpenStudy (anonymous):
true or false questions
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OpenStudy (anonymous):
The range of f(x) = cos(x) is y ≤ 0 The domain of f(x) = cos(x) is all real numbers.
OpenStudy (anonymous):
range of cosine is \([-1,1]\) domain is all real numbers
OpenStudy (anonymous):
:) thanks
OpenStudy (anonymous):
yw
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