Find the Length of the Plane Curve Given Below $\mathbf { r } ( t ) = 3 \cos t \mathbf { i } + 3 \sin t \mathbf { j } , [ 0,6 ]$

question 68

Multiple Choice

Find the length of the plane curve given below. $\mathbf { r } ( t ) = 3 \cos t \mathbf { i } + 3 \sin t \mathbf { j } , [ 0,6 ]$

• A) 20
• B) 9
• C) 17
• D) 19
• E) 18

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