1.   Use the first three terms of the trigonometric series to approximate the value of to four decimal places.
    A. 1.9800 B. 0.0408
    C. 0.0200 D. -0.4665
    Hint

  2.   Write in exponential form.
    A. B.
    C. D.
    Hint

  3.   Find ln (-7) to four decimal places.
    A. B.
    C. D.
    Hint

  4.   Use the first three terms of the trigonometric series and a calculator to approximate the value of to four decimal places.
    A. 1.3243 B. 0.7071
    C. 0.7074 D. 0.6757
    Hint

  5.   Find ln (-2.89) to four decimal places.
    A. + 0.6366 B. + 1.0613
    C. - 1.0613 D. - 0.6366
    Hint