Sketch the region enclosed by the given curves.
y = 3 cos(9x), y = 3 â 3 cos(9x), 0 ⤠x ⤠Ï/9
Find its area.
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y = 3 cos(Ïx), y = 8x2 â 2
Sketch the regions enclosed by the given curves.
y = 7 cos(6x), y = 7 sin(12x), x = 0, x = Ï/12