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Angle of Depression from point A to point B is same as Angle of Elevation from point B to point A

Last updated at Dec. 16, 2024 by Teachoo

In angle of depression, we studied that

Here, the angle of elevation of the girl to the boy is

Now, the two horizontal lines are parallel,

and line of sight is the transversal

AB and CD are parallel lines,

and BC is the transversal

∴ Angle of depression and angle of elevation are alternate angles, and they are equal

∴ Angle of depression = Angle of elevation

Thus, Angle of Depression from point A to point B is same as Angle of Elevation from point B to point A

  1. Chapter 9 Class 10 Some Applications of Trigonometry
  2. Concept wise

    3. Questions easy to difficult

    Chapter 10 Class 10 Circles →
Chapter 10 Class 10 Circles →
Chapter 9 Class 10 Some Applications of Trigonometry
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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo