# Read This Simple Work for Definite Integrals by U-SUBSTITUTION Method Explained in 3 Distinct Examples and Video Lessons

U-substitution in definite integrals is very similar to the method in indefinite integrals, while the initial bounds (usually x-values) need to be changed to the corresponding u-values for upper and lower limits. You need to account for the limits of the integration. Alternatively, you can integrate the integral expressions using u-substitutions, then change u-expressions back […]

# Definite Integration of Trigonometric Functions using Substitution

Find exact value of definite integration of trigonometric using substitution. It is useful to utilise the property of integral of even function, as well as reverse the of integral limits by chaning its sign.