find angle of depression of a boat from a bridge at a horizontal distance of 25m from the bridge if height of bridge is 25m.
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let the angle of depression = x
horizontal distance = 25m
height = 25m
tan x = p ÷ b = 25m ÷ 25m = 1
tan x = 1
tan x = tan 45°
x = 45°
the angle of depression = 45°
horizontal distance = 25m
height = 25m
tan x = p ÷ b = 25m ÷ 25m = 1
tan x = 1
tan x = tan 45°
x = 45°
the angle of depression = 45°
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