Find the Integral Using an Appropriate Trigonometric Substitution

Q80: Use a table of integrals to evaluate

Q81: Evaluate the integral using the indicated trigonometric

Q82: Use the Trapezoidal Rule to approximate the

Q83: A body moves along a coordinate line

Q84: Find the integral. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5971/.jpg" alt="Find the

Q86: Evaluate the integral to six decimal places.

Q87: Determine whether the improper integral converges or

Q88: Use the Table of Integrals to evaluate

Q89: Let a and b be real numbers.

Q90: Find the integral. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5971/.jpg" alt="Find the