Please help!

1.

\fEvaluate the definite integral. cola / 64mm cos(m)da: 0 Using u-substitution, you get: This substitution results in the integral in terms of u. Please note that the limits have been changed automatically. A4Sin(%)' \\ du Evaluating this integral yields the number: (you may type in expression or a number) Evaluate the definite integral. 28 dx xvin x Using u-substitution, you get: u = and du = dac This substitution results in the integral in terms of u: du where a = and b = Integrating this integral yields the number: (you may type in expression or a number)