Page 347 - Calculus Demystified
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                                                              π                         Final Exam
                                                                       2
                                                                 2
                                91.  The value of the integral  sin x cos xdx is
                                                            0
                                            π
                                       (a)
                                             6
                                            π
                                       (b)
                                             4
                                            π
                                       (c)
                                             3
                                            π
                                       (d)
                                             2
                                            π
                                       (e)
                                             8
                                                              π/4
                                                                  2
                                92.  The value of the integral  tan xdx is
                                                            0
                                                π
                                       (a)  1 −
                                                3
                                                π
                                       (b)  2 −
                                                4
                                                π
                                       (c)  1 −
                                                2
                                                π
                                       (d)  1 −
                                                4
                                       (e)  4 − π
                                93.  A solid has base in the x-y plane that is the circle of radius 1 and center the
                                     origin. The vertical slice parallel to the y-axis is a semi-circle. What is the
                                     volume?
                                            4π
                                       (a)
                                             3
                                            2π
                                       (b)
                                             3
                                            π
                                       (c)
                                             3
                                            8π
                                       (d)
                                             3
                                            π
                                       (e)
                                             6
                                94.  A solid has base in the x-y plane that is a square with center the origin and
                                     vertices on the axes. The vertical slice parallel to the y-axis is an equilateral
                                     triangle. What is the volume?
                                             √
                                            2 3
                                       (a)
                                              3
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