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Math Help - I dont understand this..

  1. #1
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    I dont understand this..

    I dont understand how to determine an angle measure from the equation:

    sin D = 0.7253

    My book says that D ~= 46.5 or D ~=133.5 but doesnt explain how.
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  2. #2
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    Quote Originally Posted by ceasar_19134 View Post
    I dont understand how to determine an angle measure from the equation:

    sin D = 0.7253

    My book says that D ~= 46.5 or D ~=133.5 but doesnt explain how.
    Take the arcsine to get 46.5 and the other one is in the second quadrant 180 - 46.5 = 133.5
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