Quick length of curve question

  • Thread starter whattttt
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  • #1
whattttt
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Does anyone have any idea how to find the length of a circle (theta)=pi/2 on the unit sphere. I am just not 100% sure on what sort of parameterisation should be used. Thanks
 

Answers and Replies

  • #2
mathwonk
Science Advisor
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you might try just finding its radius.
 

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