Solve the problem.A photographer points a camera at a window in a nearby building forming an angle of 42° with the camera platform. If the camera is 52 m from the building, how high above the platform is the window, to the nearest hundredth of a meter?
A. 57.75 m
B. 1.11 m
C. 46.82 m
D. 0.9 m
Answer: C
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Solve the problem.When a particular circuit containing a resistor, an inductor, and a capacitor in series is connected to a battery, the current i (in amperes) is given by i = 23e-3t(e2.6t - e-2.6t) where t is the time (in seconds). Find the time at which the maximum current occurs.
A. 1.5 s B. 0.5 s C. 0.6 s D. 1.4 s
Use the Venn diagram to list the set of elements in roster form.Find A ? B.
A. {c, g} B. {d, c, g, f, k, r} C. {p} D. {d, c, g, f, p, k, r}
Which of the following physical situations would best be modeled by the graph?
A. The length y of a shadow cast by a tree between sunrise and noon, where t is the angle of elevation of the sun.
B. The monthly average ocean temperature y in degrees Fahrenheit during month t, where t = 1 corresponds to January.
C. The length y of a shadow cast by a horizontal flagpole on a vertical wall between sunrise and noon, where t is the angle shown.
D. The number of hours y of sunlight during month t, where t = 1 corresponds to January.
Use a calculator to find the function value to four decimal places.csc (4.03)
A. -1.5857 B. -1.2885 C. -0.7761 D. -0.6306