Condition for the half power width of the Array factor is given by ___________

• A. \(\frac{Nᴪ}{2}=±1.391 \)
• B. \(\frac{Nᴪ}{2}=±3\)
• C. \(\frac{Nᴪ}{2}=±0.5\)
• D. \(\frac{Nᴪ}{2}=±1\)