Example 32 Find the actual length of f (x) = log (sin x) on [ p/4, p/2 ]
Solution : f (x) = log (sin x)
Example 33 Show that the length of the arc of the curve y2 = 4x from (0,0) to (9,6) is 11.3 approximately.
Solution : 
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Index
8.1 Introduction
8.2 Area
8.3 Volumes
8.4 Mean Value
8.5 Arc Length(Rectification)
Chapter 1
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