Find the Length of the Curve Over the Given Interval $$r = 24 \cos \theta , - \frac { \pi } { 2 } \leq \theta \leq \frac { \pi } { 2 }$$

question 43

Multiple Choice

Find the length of the curve over the given interval. $$r = 24 \cos \theta , - \frac { \pi } { 2 } \leq \theta \leq \frac { \pi } { 2 }$$

• A) \(24 \pi\)
• B) \(12 \pi\)
• C) \(48 \pi\)
• D) \(72 \pi\)
• E) \(6 \pi\)

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