Question $10(1$ point$)$

$7$ Determine the exact value or $cos45x\frac{tan30}{sin60}$

$\frac{\sqrt[\phantom{2}]{2}}{3}$

$11$

$\frac{\sqrt[\phantom{2}]{3}}{3}$

$\frac{2\sqrt[\phantom{2}]{2}}{3}$

Answer is not provided

$15$

$\frac{3\sqrt[\phantom{2}]{2}}{2}$