March 29, 2017

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Find the area under one arch of a cycloid describe by the parametric equations x=3(2Theta - sin 2Theta) and y= 3(1-cos2Theta). Use 0 and pi for the limiting values of Theta.

A. 9Pi
B. 18Pi
C. 27Pi
D. 36Pi

Find the area in the first quadrant bounded by the arc of the circle described by the polar equation r = 2sin Theta + 4cos Theta. The circle is graphed in the accompanying figure.

A. 5pi/2
B. 5Pi/2 + 4
C. 5Pi
D. 5Pi + 8

  • Calculus - ,

    First, I get (C)

    next, I get (B)

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