Set Up an Integral for the Length of the Curve $$y = 6 \cos x , 0 \leq x \leq \pi$$

question 166

Multiple Choice

Set up an integral for the length of the curve.
- $$y = 6 \cos x , 0 \leq x \leq \pi$$

• A) \(\int _ { 0 } ^ { \pi } \sqrt { 1 + 6 \sin x } d x\)
• B) \(\int _ { 0 } ^ { \pi } \sqrt { 1 - 6 \sin x } d x\)
• C) \(\int _ { 0 } ^ { \pi } \sqrt { 1 + 36 \cos ^ { 2 } x } d x\)
• D) \(\int _ { 0 } ^ { \pi } \sqrt { 1 + 36 \sin ^ { 2 } x } d x\)

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