Example 12, “Page No. 12.6” Applications Of Trigonometry, R.D. Sharma Maths Class 10th
Example 16, “Page No. 12.8” Applications Of Trigonometry, R.D. Sharma Maths Class 10th
Q – 14, Ex. 12.1 “Page No. 12.30” – Applications of Trigonometry – Maths Class 10th NCERT
Q – 35, Ex. 12.1 “Page No. 12.31” – Applications of Trigonometry – Maths Class 10th NCERT