Fx- cos x -sin x - find ddxfx at x-6-

d(| x|)dx=| x |x f(x)=|cos x sin x | f^1(x)=|cos x sin x |cos x sin x( sin x cos x) #160;At x=π6,ddxf(x)= 1+√(3)2 ...

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Chain Rule of Differentiation

fx=| cos x -s...

Question

$f (x) = | cos x - sin x |$ , find $\frac{d}{d x} f (x)$ at $x = \frac{π}{6}$ .

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