1.   Graph y = .
    A. B.
    C. D.
    Hint

  2.   Find tan if 90° < < 180°, and csc .
    A. B.
    C. D.
    Hint

  3.   Simplify the expression sin x(1 + cot2x)
    A. csc x B. sin2x
    C. 1 + cos2x D. sin x tan x
    Hint

  4.   Write (cos x)(sec x – cos x) as an expression involving only sin x.
    A. 1- sin2x B.
    C. sin2x D. 2 sin x
    Hint

  5.   is equivalent to _____.
    A. sin2x + cos x B. 2 tan x
    C. cot2x D. tan2x - 1
    Hint

  6.   Determine the solution of 3 sin x + 2 = cos 2x for .
    A. B.
    C. D.
    Hint

  7.   What is the amplitude and period of the function y = 3 cos (-)?
   
    A. Amplitude = 3,
Period = 2
B. Amplitude = 3,
Period = –
    C. Amplitude = 3,
Period =
D. Amplitude = 2,
Period =
    Hint

  8.   What is the midline of the function y = 2 sin – 4?
    A. y = 4 B. y = –4
    C. y = 2 D. y = –2
    Hint

  9.   For the function y = cos ( – 50) + 3, what does the number 3 represent?
    A. period B. vertical shift
    C. horizontal shift D. amplitude
    Hint

  10.   Which statement is true?
    A. sin 30° = cos 300°
    B. cos 135° = sin 45°
    C. sin 45° = –cos (–45°)
    D. cos 225° = sin 45°
    Hint

  11.   Which statement is false?
    A. cos 405° = –sin 225°
    B. sin 450° = cos 180°
    C. cos 210° = sin 240°
    D. sin 30° = –cos 120°
    Hint

  12.   Find the exact value of sin 165°.
    A. B.
    C. D.
    Hint

  13.   Find cos if sin x = and x is in the second quadrant.
    A. B.
    C. D.
    Hint

  14.   Solve .
    A. 0°, 180° B. 90°, 270°
    C. 0°, 90°, 180°, 270° D. 0°, 90°, 270°
    Hint



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