- #1
ddr
- 8
- 0
Homework Statement
π^2
4
∫ COS(√x) dx
0
Homework Equations
The Attempt at a Solution
t=√x ; x=t^2 ; dx= 2t
π
2
∫ COSt · 2t dt = [SINt · 2t ] - ∫ 2SINt dt = π +2
0
yes but.. where is the mistake?
'cause the result is: π/2 - 1
thanx a lot