Question

From a window (h metres high above the ground) of a house in a street,the angel of elevation and depression of the top and the foot of another house on the opposit side of the street are Ѳ and ф respectly. show that hte height of the opposit house is h(1 + tanѲ cotф )

Answer 1

here is the answer hence proved.

Answer 2

$\textbf{Answer is in Attachment !}$