If x = 3 cot $\theta $, use trigonometric substitution to write $\sqrt { 9 + x ^ { 2 } }$ as a trigonometric function of $\theta $, where $0

Question

If x = 3 cot $\theta $, use trigonometric substitution to write $\sqrt { 9 + x ^ { 2 } }$ as a trigonometric function of $\theta $, where $0 < \theta < \pi$ .  
A) 3 sec $\theta $
B) 3 csc $\theta $
C) 3 cos $\theta $
D) 3 sin $\theta $
E) 3 cot $\theta $

Quizplus · Accepted Answer

The Answer of If x = 3 cot $\theta $, use trigonometric substitution to write $\sqrt { 9 + x ^ { 2 } }$ as a trigonometric function of $\theta $, where $0 < \theta < \pi$ .  
A) 3 sec $\theta $
B) 3 csc $\theta $
C) 3 cos $\theta $
D) 3 sin $\theta $
E) 3 cot $\theta $

If X = 3 Cot θ\theta θ , Use Trigonometric Substitution to Write

If X = 3 Cot $\theta$ , Use Trigonometric Substitution to Write