Get Started
1207

Q:

From an observation tower ‘h’ meter above the level of river, the angle of depression of a point on the near shore is A° and that of a point directly on the far shore is B°. Find the width of the river.

  • 1
    h (Cot B +Cot A)
  • 2
    h (tanB +tanA)
  • 3
    h (tanA - tan B)
  • 4
    h(cot B-cotA)
  • Show Answer
  • Workspace

Answer : 1. "h (Cot B +Cot A)"

The Most Comprehensive Exam Preparation Platform

Get the Examsbook Prep App Today