What is the net area between #f(x) = x-sinx # and the x-axis over #x in [0, 3pi ]#?
1 Answer
May 7, 2018
Explanation:
(Note:
#x>0# #<=># #x-sinx>0# #<=># #f(x)>0#
So when
Graphical help
The area we are looking for since
is given by