The concept of using trigonometric functions as a substitution for variable or expressions in an integral is discussed here. This lesson is 3 of 5 in the series titled "Trigonometric Substitution."

Integrating by using the method of integration by parts is demonstrated here. This lesson is 1 of 8 in the series titled "Using Integration by Parts."

Integrating by using the method of integration by parts is demonstrated here. This lesson is 8 of 8 in the series titled "Using Integration by Parts."