Use the given information to find the exact value of the trigonometric expression.sin ? = - 
; 
< ? < 2?
Find cos(2?).
A. 
B. - 
C. 
D. - 
Answer: B
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Find the absolute maxima and minima of the function on the given domain.
on the disk bounded by the circle 
A. Absolute maximum: 72 at 
and 
absolute minimum: 54 at 
and 
B. Absolute maximum: 126 at 
absolute minimum: 0 at 
C. Absolute maximum: 72 at 
and 
absolute minimum: 0 at 
D. Absolute maximum: 54 at 
and 
absolute minimum: 0 at 
Find the absolute extreme values of the function on the interval.F(x) = - 
, 0.5 ? x ? 3
A. absolute maximum is 
at x = 
; absolute minimum is -12 at x =3
B. absolute maximum is - 
at x = 
; absolute minimum is -12 at x = -3
C. absolute maximum is - 
at x = 3; absolute minimum is -12 at x = - 
D. absolute maximum is - 
at x = 3; absolute minimum is -12 at x = 
Solve the problem.Find the area of a rectangle with length 6.3 mm and width 
A. 46 mm2 B. 46.0 mm2 C. 27 mm2 D. 27.2 mm2
Use a grapher to graph the function.The charge y on a certain capacitor as a function of time is given by 
Charge is measured in coulombs, and time is measured in seconds. Sketch two cycles of y as a function of t. Label the point on the horizontal axis which represents the end of the second cycle.
A. 
B. 
C. 
D. 