The Solutions For $\lambda , R \text { and } \Theta$

Multiple Choice

The solutions for $\lambda , R \text { and } \Theta$ from the previous problem are

A) $\lambda = n ^ { 2 } , R = r ^ { n } , \Theta = \cos ( n \theta ) , n = 1,2,3 , \ldots$
B) $\lambda = n ^ { 2 } , R = r ^ { n } , \Theta = \sin ( n \theta ) , n = 1,2,3 , \ldots$
C) $\lambda = n ^ { 2 } , R = r ^ { n } , \Theta = \sin ( n \theta ) , n = 0,1,2 , \ldots$
D) $\lambda = n , R = r ^ { n } , \Theta = \sin ( n \theta ) , n = 1,2,3 , \ldots$
E) $\lambda = n , R = r ^ { n } , \Theta = \cos ( n \theta ) , n = 1,2,3 , \ldots$