An antenna has a field pattern of E ( ) = cos2 , varies between 0 and 900. Half power beam width of the antenna is:

An antenna has a field pattern of E ( ) = cos2 , varies between 0 a

1.	An antenna has a field pattern of E ( ) = cos2 , varies between 0 and 900. Half power beam width of the antenna is:
A.	33<sup>0</sup>
B.	66<sup>0</sup>
C.	1200<sup>0</sup>
D.	None of the mentioned
Answer» C. 1200<sup>0</sup>