Graph of the Following Curve Is Given $$r = 6 \cos ^ { 2 } \left( \frac { \theta } { 2 } \right)$$

question 12

Multiple Choice

Graph of the following curve is given. Find its length. $$r = 6 \cos ^ { 2 } \left( \frac { \theta } { 2 } \right)$$

• A) L = 25
• B) L = 24
• C) L = 26
• D) L = 32
• E) L = 20

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