If X =10sin?, Use Trigonometric Substitution to Write $\sqrt{100-x^{2}}$ As a Trigonometric Function of ?, Where

Multiple Choice

If x =10sin?, use trigonometric substitution to write $\sqrt{100-x^{2}}$ as a trigonometric function of ?, where $-\frac{\pi}{2}<\theta<\frac{\pi}{2}$

A) 10sin?
B) 10cos?
C) 10 tan?
D) 10csc?
E) 10sec?