What is the domain and range of $abs(cos x)$ ?

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Answer 1 · 2016-07-04T18:03:41

Domain of $f =RR.$

Range of $f$ = $[0,1].$

Let $f(x)=|cosx|$

Since $x$ can take any value, Domain of $f =RR.$

Now we know that, $AAx in RR, -1<=cosx<=+1.$

Therefore, $0<=|cosx|<=1.$ Hence, Range of $f$ =[0,1]#

What is the domain and range of abs(cos x)abs(cos x)?