The electric intensity I (in Wm 2 ) from the two radio antennas in Fig 8 32 is a function of given by I 0 023 cos 2 ( sin ) Find I for 40 0 cos 2 (cos) 2 Antenna CI Fig 8 32 Antenna

Question: The electric intensity I (in Wm 2 ) from the two radio antennas in Fig. 8.32 is a function of given by I =

The electric intensity I (in Wm²) from the two radio antennas in Fig. 8.32 is a function of θ given by I = 0.023 cos²(π sin θ). Find I for θ = 40.0°. [cos²α = (cosα)².]

Antenna CI Fig. 8.32 Antenna

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