Use a calculator to find the function value to four decimal places.tan 480°
A. -0.5000
B. 753,695.9951
C. -0.5774
D. -1.7321
Answer: D
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Calculate the arc length of the indicated portion of the curve r(t).r(t) = (10 + 2t2)i + (2t2 - 8)j + (5 - t2)k, -1 ? t ? 3
A. 24 B. 90 C. 72 D. 30
Solve the problem.Find the average distance from a point 
in the region bounded by 
to the origin.
A. 
B. 
C. 
D. 
Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.A = 11.2°, C = 131.6°, a = 83.2
A. B = 37.2°, b = 320.3, c = 259 B. B = 37.2°, b = 259, c = 320.3 C. B = 36.8°, b = 256.6, c = 320.3 D. B = 37.2°, b = 26.7, c = 21.7
Solve the problem.If two sound sources at the same volume are equidistant from a microphone, the pressure on the microphone is given by p = a cos ?1t + a cos ?2twhere a, ?1, ?2 are constants and t is time. Write p as a product of cosine functions.
What will be an ideal response?