3 years ago

The lighthouse keeper that is at the top of a lighthouse that

Mathematics

1 answer:

Amiraneli [1.4K]3 years ago

7 0

Step-by-step explanation:

Let θ be the angle of depression i.e the angle between the horizontal and the observer's line of sight.

tanθ= (Height of the light house)/(Horizontal distance of ship from the base of light house)

∴tanθ=88/1532=0.0574

∴θ=tan−1(0.0574)=3.290(2dp)

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