The angle of elevation theta of the top of a lighthouse as seen by a person on the ground is such that tan theta - 5/12 when the persons moves a distance of 248 m towards the lighthouse, the angle of elevation becomes phi such that tan phi = 3/4 find the the height of lighthouse.
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The angle of elevation Φ of the top of a lighthouse as seen by a person on the ground is such that tanΦ = 5/12. When the person moves a distance of 240m towards the lighthouse, the angle of elevation becomes Φ, such that tanΦ=3/4.
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3/4 is the the carroct answer
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