| Textbooks - 2003
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| 2006
...<90°, then the value of tan x is equal to: a) V3 b) 1 c) 59. From the top of a building 90 metres **high, the angles of depression of the top and bottom of a** tree are 30° and 45° respectively. The height of the tree, in metres, is: 8)30>/3 0)90-30>/3 c) 90... | |
| R.S. Aggarwal - 2001 - 67232 pages
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| ...= 5", CB = CD = 8", BD = 6". Find AC and the angles of the kite. 46. From the top of a building 50 **feet high, the angles of depression of the top and bottom of a** flagstaff stuck in the ground are 10° and 15°. Find the height of the flagstaff and its distance... | |
| ...2354. 20 as balance. Calculate the rate of interest reeceived by him. From the top of a cliff 150 m **high, the angles of depression of the top and bottom of a** pillar are found to be 30° and 60° respectively. Find the height of the pillar. What portion of a... | |
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