If X = 6 Sin θ,Use Trigonometric Substitution to Write $\sqrt { 36 - x ^ { 2 } }$

Multiple Choice

If x = 6 sin θ,use trigonometric substitution to write $\sqrt { 36 - x ^ { 2 } }$ as a trigonometric function of θ,where $0 < \theta < \frac { \pi } { 2 }$ .

A) ​6 csc θ
B) ​6 sec θ
C) ​6 sin θ
D) ​6 cos θ
E) ​6 tan θ