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arccos(cos 2) Hint: How do we define arccos? What are the domain and the range of arccos? Let x = arccos(cos 2). We are looking
arccos(cos 2) Hint: How do we define arccos? What are the domain and the range of arccos? Let x = arccos(cos 2). We are looking for x such that cos x = cos 2 and x is in the range of arccos. (b) arctan(tan2) (c) arcsin(sin2)
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