https://www.askiitians.com/forums/Trigonometry/23/59575/trigonometry-problems-bsed-on-angle-on-depression.htm
from the top of minar ofeight 60m,the top and bottom of a clock tower - askIITians
from the top of minar ofeight 60m,the top and bottom of a clock tower are observed at an angles of depression of 30 degrees and 60 degrees respectively.then th
from the top