CBSE BOARD X, asked by shristikumari3012005, 11 months ago

A window of a house is h meters above the ground. From the window the angles of elevations and depression of the top and bottom of the 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 (1+tan alpha × tan beta) meters

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Answered by RogueRohit

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