Use the Trigonometric Substitution to Rewrite the Algebraic Expression as a Trigonometric

question 36

Multiple Choice

Use the trigonometric substitution to rewrite the algebraic expression as a trigonometric function of θ,where $0 < x < \frac { \pi } { 2 }$ .​ $\sqrt { 16 - x ^ { 2 } } , x = 4 \cos \theta$ ​

• A)16 cos θ
• B)16 sin θ
• C)4 sin θ
• D)- 4 sin θ
• E)4 cos θ

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