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

Question 24

Multiple Choice

Use the trigonometric substitution to rewrite the algebraic expression as a trigonometric function of θ,where 0<x<π20 < x < \frac { \pi } { 2 } . x2−16,x=4sec⁡θ\sqrt { x ^ { 2 } - 16 } , x = 4 \sec \theta ​


A) 4 tan θ
B) 16 sec θ
C) - 4 tan θ
D) 4 sec θ
E) 16 tan θ

Correct Answer:

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