Question: 18
(Choose 1 answer)
(See picture)
A. (i)
B. (ii)
C. (iii)
D. (iv)
Determine a region A whose area is equal to
lim
-xxAn
1-1
72 π
sin
(i+n)л
4n
(i) under the graph of f(x)= sinx from x=0 to x=
Π
4
π
(ii) under the graph of f(x)= 14. sinx from x=0 to x=
(iii) under the graph of f(x)= sinx from x=
π
π
to x=
2
(iv) under the graph of f(x)= 4 sinx from x=
to x=
