Part 2: Find each value. Show all work. Leave all answers in radical / fraction form. NO DECIMALS. (4pts. each)
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5) Let sinB = 3, ASB SI CB E QIII), find cos(2B)
6) Let cosa = 3, a € QI, find sin(2a)
7) Let cosB =ş, OSBS. Find cos
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8) Let cosB =ş, OSBS. Find sin (1)

Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.

Which from the following instrument is commonly used to detect the high pitch butzing sound in bearings? [clo4] a)-digital ultrasonic meter b)-infrared camera c)-spectroscopic d)-vibrometer

In the winter, in order to keep the classroom steadily at 68 f before 10 pm, heating with an average rate of 42,000 btu/hr is provided. assume the outdoor temperature maintains at 32°f, determine the electrical power (kw) required to (a) operate a reversible heat pump (b) operate a real heat pump with a cop (7) of 4.5 and (c) operate an electrical-resistance heater.