TrigonometrySome Applications of Trigonometry

Angle of Depression

Look down from a cliff and find how far away the boat is.

Height of observer60 m

Angle of depression30 °

Horizontal distance

103.92m

Direct distance

120m

Angle of depression from the topHorizontal distance: 103.92 m

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The angle of depression from the top equals the angle of elevation from the bottom.

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