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

question 148

Multiple Choice

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

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

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