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10 Apr 2020
To define the inverse cosine function, we restrict the domain of cosine to the interval____________. On this interval the cosine function is one-to-one, and its inverse function 
is defined by
. For example, 
because 
.
To define the inverse cosine function, we restrict the domain of cosine to the interval____________. On this interval the cosine function is one-to-one, and its inverse function is defined by . For example, because .
Reid WolffLv2
23 May 2020
