We observethat the regionsof interestare in the first and third quadrantsfrom to We also
observethe symmetryof the graphsaboutthe origin.Fromthis we see that the total area enclosedis
Example2:
Find the area betweenthe curvesof and the -axisfrom to
Solution:
We observefrom the graphthat we will haveto dividethe interval into subintervals and
Hencethe area is givenby