106- If $f(\alpha) = 4\sin(\alpha)\cos(2\alpha) + 2\sin(\alpha)$, what is the value of $f\!\left(\dfrac{41\pi}{9}\right)$? (1) $-\sqrt{3}$ (2) $\sqrt{3}$ (3) $1$ (4) $-1$
\textbf{106-} If $f(\alpha) = 4\sin(\alpha)\cos(2\alpha) + 2\sin(\alpha)$, what is the value of $f\!\left(\dfrac{41\pi}{9}\right)$?
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(1) $-\sqrt{3}$ \hfill (2) $\sqrt{3}$ \hfill (3) $1$ \hfill (4) $-1$
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