How to find the length of an arc without using a circle?
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Originally Posted by hisajesh How to find the length of an arc without using a circle? Unless you can expand on that post giving an actual problem in exact form, then your posting is nonsense.
Originally Posted by hisajesh How to find the length of an arc without using a circle? If the arc is mapped by a differentiable function f(x) from a to b, then arc length is $\displaystyle \int_a^b \sqrt{1+(f'(x))^2}dx$
@Plato: How do you measure the size of a rainbow?
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