INCERT EXEMPLAR]A window of a house is h metre above the ground. From

1.	INCERT EXEMPLAR]A window of a house is h metre above the ground. From the window, the angles ofelevation and depression of the top and bottom of another house situated on theopposite side of the lane are found to be a and B respectively. Prove that the height ofthe house is h (1 + tan a tanſ) metres.INCERT EXEMPLAR
Answer» hope it helps u tanx=DC/hCoty; DC=h.tanx coty______(1) ; we see height of another house is BD; BFLD=BC× CD; BD=h+h tand cot y/h(1+ tand coty)

INCERT EXEMPLAR]A window of a house is h metre above the ground. From the window, the angles ofelevation and depression of the top and bottom of another house situated on theopposite side of the lane are found to be a and B respectively. Prove that the height ofthe house is h (1 + tan a tanſ) metres.INCERT EXEMPLAR

Answer»

hope it helps u

tanx=DC/hCoty; DC=h.tanx coty______(1) ; we see height of another house is BD; BFLD=BC× CD; BD=h+h tand cot y/h(1+ tand coty)