is a square plot. The angle of elevation of the top of a pole standing at from or is and that from is , then is equal to
Explanation for the correct option:
Step-1: Draw the figure and mark all angles:
Let side of suare is
From the figure,
In , we have
……
In , we have
Now, in
Now,
Step- 2: Substitute the values of and :
Hence, option ‘B' is correct.