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OpenStudy (anonymous):
Find the exact value of cos(cos^-1 - 3)
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OpenStudy (anonymous):
no such number
OpenStudy (anonymous):
\(\cos^{-1}(-3)\) does not exist, because there is no number \(x\) with \(\cos(x)=-3\)
OpenStudy (anonymous):
What if the number was one that fit, such as 1?
OpenStudy (anonymous):
then the answer would be 1
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