# Calculus II

posted by
**RuggedChild**
.

Evaluate using u-substitution:

Integral of: 4x(tan(x^2))dx

Integral of: (1/(sqrt(x)*x^(sqrt(x))))dx

Integral of: (cos(lnx)/x)dx

posted by
**RuggedChild**
.

Evaluate using u-substitution:

Integral of: 4x(tan(x^2))dx

Integral of: (1/(sqrt(x)*x^(sqrt(x))))dx

Integral of: (cos(lnx)/x)dx