Write the following as an algebraic expression in u, u > 0.cos(arctan u)
A. u
B. 
C. 
D. 
Answer: C
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Write the decimal as a fraction or mixed number in lowest terms.0.5
A. 
B. 
C. 
D. 
Solve the problem.A pair of six-sided dice are rolled. The observation is the number that comes up on each die. The event described by E: "both dice will come up as even numbers" is
A. {(2, 4), (2, 6), (4, 2), (4, 6), (6, 2), (6, 4)}.
B. {(1, 1), (2, 2), (2, 4), (2, 6), (3, 3), (4, 2), (4, 4), (4, 6), (5, 5), (6, 2), (6, 4), (6, 6)}.
C. {(2, 2), (2, 4), (2, 6), (4, 2), (4, 4), (4, 6), (6, 2), (6, 4), (6, 6)}.
D. {(1, 2), (1, 4), (1, 6), (2, 1), (2, 2), (2, 3), (2, 4), (2, 5), (2, 6), (3, 2), (3, 4), (3, 6), (4, 1), (4, 2), (4, 3), (4, 4), 
(4, 6), (5, 2), (5, 4), (5, 6), (6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6)}.
E. none of these
Solve the equation for solutions in the interval [0°, 360°). Round to the nearest degree.sin 2? + sin ? = 0
A. {0°, 120°, 180°, 240°} B. {30°, 90°, 150°, 270°} C. {105°, 165°, 285°, 345°} D. {15°, 165°, 195°, 345°}
Find percent notation.
A. 800% B. 0.8% C. 8% D. 80%