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Angle of Depression
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☼ Angle of Depression : Suppose a man from a point P looks down at an object B, placed below the level of his eye, then the angle which the line of sight makes with the horizontal through P, is called the angle of depression of B as seen from P.
∴Angle of depression of B from P
= ∠APB.
Keep in Mind, = 1.732 and
= 1.414
In a Right angled triangle,
the length of the side opposite to 30 is always half of length of hypotenuse.
