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Math Help - law of sines and law of cosines

  1. #1
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    law of sines and law of cosines

    how do you know which one to use?
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  2. #2
    Master Of Puppets
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    show us the question.
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  3. #3
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    Well see if you can use the sine law first and if you cant use it use the cosine law because the sine law is a lot easier to use.
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  4. #4
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    Hello, tomatoes!


    Generally, I found this to be true.

    . . Given two angles and one side: Law of Sines

    . . Given one angle and two sides: Law of Cosines

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