For a 4-element broadside antenna array, Ψ equals

1.	For a 4-element broadside antenna array, Ψ equals
A.	sin ϕ
B.	π cos ϕ
C.	\(\frac{{\cot \phi }}{{\sqrt 2 \;\pi }}\)
D.	π sin ϕ
Answer» C. \(\frac{{\cot \phi }}{{\sqrt 2 \;\pi }}\)

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For a 4-element broadside antenna array, Ψ equals

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