This is a very important question for CBSE Boards exams, NCERT Maths solutions class 10th trigonometry exercise 8.1 question number 10.
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This is the first question of exercise 8.1, chapter Introduction to Trigonometry, NCERT
An electrician has to repair an electric fault on a pole of height 5m. She needs to reach a point 1.3m below the top of the pole to undertake the repair work. What should be the length of the ladder that she ...
