Question
Wed January 18, 2012 By: Vikas Sreekanth

From a window (h metres high above the ground) of a house in a street, the angles of elevation and depression of the top and the foot of another house on the opposite side of the street are x and y respectively. Show that the height of the opposite house is h(1+tanx.coty)

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Fri January 20, 2012
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