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Class 10 Maths Some Applications of Trigonometry of Chapter 9 Revision Notes

CBSE Class 10 Maths Chapter 9 – Some Applications of Trigonometry – Free PDF Download

Free PDF download of Class 10 Maths Chapter 9 – Some Applications of Trigonometry Revision Notes & Short Key-notes prepared by expert Mathematics teachers from latest edition of CBSE(NCERT) books.
You can also Download Maths NCERT Solutions Class 10 to help you to revise complete Syllabus and score more marks in your examinations.

 

CBSE Class 10 Maths Revision Notes Chapter 9 Some Applications of Trigonometry

1. Heights and Distances
2. Miscellaneous Questions

1. Trigonometric Ratios: In , for angle ‘A’







2. Reciprocal Relations :
 , 

 , 
3. Quotient Relations :
 , 
4. Indentities:
(a) 
   
     
(b) 
     
     
(c) 
     
     
5.Trigonometric Ratios of Some Specific Angles

6. Trigonometric Ratios of Complementary Angles






1. Line of Sight : The line of sight is the line drawn from the eyes of an observer to a point in the object viewed by the observer.
2. Angle of Elevation : The angle of elevation is the angle formed by the line of sight with the horizontal, when it is above the horizontal level i.e., the case when we raise our head to look at the object.
3. Angle of Depression : The angle of depression is the angle formed by the line of sight with the horizontal when it is below the horizontal i.e., case when we lower our head to look at the object.