Question

A window of a house is h metres above the ground. From the window the angles of elevation and depression of the top and bottom of another house situated on the opposite side of the lane are found to be alpha and beta respectively. Prove that the height of the house is h( + tanalpha × tanbeta) metres
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Answer 1

Step-by-step explanation:

Window of a house is H Metre above the ground

From the window, the angles of elevation and depression of the top and bottom of another house situated on the opposite side of the lane are found to be α and β respectively. Prove that the height of the house is h(1+tanα tanβ) metres.