1.   The volume of the cube is 512 cubic centimeters. What is the length of one side?
   
    A. 256 cm B. 170 cm
    C. 8 cm D. 23 cm
    Hint

  2.   In the triangle, sin A = ____.
   
    A. B. 5
    C. D.
    Hint

  3.   Find the value of cos 62° to the nearest ten-thousandth.
    A. 0.8829 B. 0.4695
    C. 0.8988 D. 1.8807
    Hint

  4.   Find the value of n to the nearest degree.
   
    A. 90° B. 45°
    C. 37° D. 53°
    Hint

  5.   State the amplitude and the period for y = 2 cos .
    A. amplitude = 2 ,
period =
B. amplitude = -2,
period = 4
    C. amplitude = -2,
period = 180
D. amplitude = 2,
period = 4
    Hint

  6.   A long ramp that leads to a building entrance is 45 feet. The stairs to the entrance have a vertical height of 6 feet. What is the angle of incline of the ramp?
    A. about 10° B. about 8°
    C. about 18° D. about 4°
    Hint

  7.   A long ramp that leads to a building entrance is 45 feet. The stairs to the entrance have a vertical height of 6 feet. What is the angle of incline of the ramp?
    A. about 10° B. about 8°
    C. about 18° D. about 4°
    Hint

  8.   Find sin 225° by drawing a reference angle.
    A. 1 B.
    C. D.
    Hint

  9.   Find sin 450° by drawing a reference angle.
    A. B.
    C. D. 1
    Hint

  10.   What is the period and amplitude for the graph
    A. period is 180°amplitude is 2 B. period is 360°amplitude is 1
    C. period is 60°amplitude is 1 D. period is 360°amplitude is 2
    Hint



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