Rudhreswaran g Asked a Question
April 18, 2021 12:38 pmpts 30 pts
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  • Deepak singh Best Answer
    Refer attached solution answer is 2π
    • cropped4896291874927628930.jpg
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    Rudhreswaran g
    dr/dtetha gives tangent vector only then we want to find unit tangent vector know how can we take that as unit tangent vector
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