Angle of Depression

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Section 4.8

20211127_143517.jpg


20211128_194122.jpg


You say?
 

Top of tower to ground level where cell phone user is standing 5 miles away is 120 + 800 = 920 feet.

Where did 800 feet come from?

Well, 1200 - height where cell phone user is standing.

I get 1200 - 400 = 800.

Let x = angle of depression.

tan x = 920/5

arctan[tan x ] = arctan(920/5)

x = 89.69°

Yes?
 

Top of tower to ground level where cell phone user is standing 5 miles away is 120 + 800 = 920 feet.

Where did 800 feet come from?

Well, 1200 - height where cell phone user is standing.

I get 1200 - 400 = 800.

Let x = angle of depression.

tan x = 920/5

arctan[tan x ] = arctan(920/5)

x = 89.69°

Yes?
 

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