Let \displaystyle f(x)= \frac{3 \sin x}{4 \sin x + 2 \cos x} .

Thenf'(x) = .

The equation of the tangent line toy=f(x) at a = \pi/3 can be written in the form y=mx+b where

m = and

b = .

Then

The equation of the tangent line to

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