Calculate the slope of the graph of at .

MATHEMATICS · Single correct · CBSE · Mathematics · Continuity and Differentiability · Continuity and Differentiability

Problem

Calculate the slope of the graph of f(x)=3xcot⁡xf(x)=3x\cot x at x=π4x=\dfrac{\pi}{4}. (a) +1.71+1.71 (b) −1.71-1.71 (c) −0.57-0.57 (d) −4.71-4.71

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