Consider one arch of y=sin(x) for 0 <= x <= pi
Write an integral whos value is the length of this curve ??
Ok this is my first time seeing a question where it asks to find the Length of a curve ??
so how do i begin ??
Read this: Pauls Online Notes : Calculus II - Arc Length
(If you're not familiar with this formula I don't know why you're attempting the question you posted).