The Cartesian coordinates of a point are given. (a)     (−9, 9)   (i) Find polar coordinates  (r, theta)  of the point, where  r > 0  and  0 ≤ theta < 2?.   (ii) Find polar coordinates  (r, theta)  of the point, where  r < 0  and  0 ≤ theta < 2?. (b)     (3, 3)   (i) Find polar coordinates  (r, theta)  of the point, where  r > 0  and  0 ≤ theta < 2?. (ii) Find polar coordinates  (r, theta)  of the point, where  r < 0  and  0 ≤ theta < 2?.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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The Cartesian coordinates of a point are given.

(a)    
(−9, 9)
 
(i) Find polar coordinates 
(r, theta)
 of the point, where 
r > 0
 and 
0 ≤ theta < 2?.
 
(ii) Find polar coordinates 
(r, theta)
 of the point, where 
r < 0
 and 
0 ≤ theta < 2?.

(b)    
(3, 3)
 
(i) Find polar coordinates 
(r, theta)
 of the point, where 
r > 0
 and 
0 ≤ theta < 2?.


(ii) Find polar coordinates 
(r, theta)
 of the point, where 
r < 0
 and 
0 ≤ theta < 2?.
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