Applications of Trigonometry Class 10 Notes Maths: Chapter 9

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    Basic Concepts-01
    Chap 11-01

    Applications Of trigonometry

    1. The line joining the eyes of the observer and the object is called the line of sight
    2. The angle formed by the line of sight with the horizontal when the object is above the horizontal level is called the angle ofelevation.
    3. The angle formed by the line of sight with the horizontal when the object is below the horizontal level is called the angle of depression.