trigonometry

from a second-storey window directly across the street. the angle of elevation of the top of an office building is 67 degre 30 mins. and the angle of depression of the base 18 degre 20 mins. if the building are 38 meter apart. wat is the height of the building ??

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asked by john
  1. review your basic trig functions. You will see that the height is

    38tan67°30' + 38tan18°20'

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    posted by Steve

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