Graphing trigonomic functions5

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What is the domain of the function ? f(x)=cos^-1x

Nov 17th, 2014

The domain of inverse cosine (cos^-1(x)) will be the range of cos(x) because when you take an inverse, you switch x and y and solve for y.  The range of cos(x) is [-1,1].  This is therefore, the domain of cos^-1(x).

B :)

Nov 17th, 2014

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