If $\theta$ is an acute angle of a right triangle where $\sin \theta = x/2$, compute the value of $\sin 2\theta$ in terms of $x$.
If $\theta$ is an acute angle of a right triangle where $\sin \theta = x/2$, compute the value of $\sin 2\theta$ in terms of $x$.
A. $\dfrac{x}{\sqrt{4 - x^2}}$ | C. $2x \sqrt{4 - x^2}$ |
B. $\frac{1}{2}x \sqrt{4 - x^2}$ | D. $\dfrac{\sqrt{4 - x^2}}{x}$ |
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