(1) A man, standing on the edge of a vertical cliff, views a boat on the sea below at angle of depression of 33 degree. If the height of the man is 15m above sea level, find the distance of the boat from: (a) the foot of the cliff, (b) the man. (2) A pilot, flying an airplane at a certain constant height, reported that the angle of the depression of a lake is 29 degree. After flying 30 km in the direction of the lake, the angle of the depression became 42 degree. Find the height of the airplane.
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A man standing on the edge of a cliff views a boat on the sea below at an angle of depression of 33degree. If the height of the man is 15m above sea level, find the distance of the boat from the foot of the cliff, the man
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