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)

Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.

Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k

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