-1
1
0
1/2
π/2
π/2a
π/a
1/2a
-2
3
4
5
1/100
π/100
e3log x + c
In In = ∫ sinnx dx, then n In - ( n -1 ) In-2 equals.
sin n-1 x cos x
cos n-1 x sin x
-sin n-1x cos x
-cos n-1 x sin x
I2 > I4
I3 = I4
I1 > I2
I2 > I1
x4+1/x3-129/8
x3+1/x4+129/8
x4+1/x3+129/8
