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OpenStudy (anonymous):
The range of the function y = cos x + 1 is -1 ≤ y ≤ 1 True or false?
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OpenStudy (anonymous):
What kind of values do you think cos(x) can produce?
OpenStudy (anonymous):
idk?
OpenStudy (anonymous):
I'd suggest having a look at the theory behind trigonometric functions. However, to help you with this issue, \[-1 \leq \cos(x) \leq 1\]
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