Homework Statement
Integral [sec(x^2)/ 81 + tan (x^2)]
Homework Equations
sinx^2 + cos x^2=1
sec= 1/cos
The Attempt at a Solution
integral[ 1/81cos (x^2) + 81(sin(x^2)/cos(x^2))]
= 1/81 integral [1/ 1/cos(x^2)]= 1/8 integral[cos(x^2)]
= 1/8 sin(x^2)
This was my answer. But...
I am not sure how would I work this problem.
Any help would be appreciated.
Estimate
ln 1. 5 = Integral from 1 to 1.5 dt/t
using the approximation 1
2 [Lf (P) + Uf (P)] with
P = {1 =8/8, 9/8, 10/8, 11/8, 12/8=1.5}