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If x=8cos⁡θx = 8 \cos \theta , Use Trigonometric Substitution to Write

Question 48

Multiple Choice

If x=8cos⁡θx = 8 \cos \theta , use trigonometric substitution to write 64−x2\sqrt { 64 - x ^ { 2 } } as a trigonometric function of θ\theta , where 0<θ<π0 < \theta < \pi .


A) 8sec⁡θ8 \sec \theta
B) 8sin⁡θ8 \sin \theta
C) 8cot⁡θ8 \cot \theta
D) 8cos⁡θ8 \cos \theta
E) 8csc⁡θ8 \csc \theta

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