Function x*tanx



i)vertical and horizontal asymptotes
iii)the interval of decrease and increase
iii)Local maxima and local minima
iv)interval of concavity and inflection.
And sketch the graph.

Correct answer:

min =  0

Step-by-step explanation:

f= x  tanx f = tanx + x / cos2(x) f = sinx/cosx + x / cos2(x) f =  cosxsinx+x/cosx f =  cosxsinx+x/cosx  min=0

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