A cylinder has a diameter of 4 m and a height of 2 m. What is the surface area of the cylinder?

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Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Is there a direction u in which the rate of change of f(x, y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.

Asinusoidal function whose frequency is 1/6pi