Find the component form of vector v given its magnitude is $||v||=9$ and the angle it makes with the positive x-axis is $\theta=60^\circ$.
$\left\langle \frac{\sqrt{5}}{3}, \frac{9\sqrt{3}}{3} \right\rangle$
$\left\langle \frac{9\sqrt{3}}{4}, \frac{9\sqrt{3}}{4} \right\rangle$
$\left\langle \frac{9\sqrt{3}}{2}, \frac{9\sqrt{3}}{4} \right\rangle$
$\left\langle \frac{9}{2}, \frac{9\sqrt{5}}{2} \right\rangle$
$\left\langle \frac{9}{2}, \frac{9\sqrt{3}}{2} \right\rangle$