Notes Of Some Applications Of Trigonometry For Class 10 Download PDF
Suppose we are viewing an object standing on the ground. Clearly, the line of sight ( or line ofvision) to the object is the line from our eyes to the object, we are viewing. (A) Angle of elevation :
Let `0′ be the eye of observer and Q be an object and OX is a horizontal line then ∠XOQ is called the angle of elevation and generally it is denoted by
Theeta or Phie i.e ‘0’ or φ.
(b) Angle of Depression: ‘P’ be the object lies below the horizontal
line OX, then ∠XOP is called the angle of depression and is denoted by ‘0’ or `φ’
NOTE:- For solving the height and distances problem,draw figure, and see the relation between known to unknown.
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