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Thomas Calculus 13th [Solutions]

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856 Chapter 11 Parametric Equations and Polar Coordinates<br />

52. x 4 r cos 4 r cos 4 r cos( ) 4<br />

53. 54.<br />

55. 56.<br />

57.<br />

2 2<br />

( x 6) y 36 C (6,0), a 6<br />

r 12cos is the polar equation<br />

58.<br />

2 2<br />

( x 2) y 4 C ( 2,0), a 2<br />

r 4cos is the polar equation<br />

59.<br />

2 2<br />

x ( y 5) 25 C (0,5), a 5<br />

60.<br />

2 2<br />

x ( y 7) 49 C (0, 7), a 7<br />

r 10sin is the polar equation<br />

r 14sin is the polar equation<br />

Copyright<br />

2014 Pearson Education, Inc.

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