Math: law of cosines, help?

Update:

Law of sines, not cosines, sorry for the mix up!

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3 Answers

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  • 2 months ago
    Favorite Answer

    using this formula

    . sin(E)......... sin(A)

    ----------- =  -------------

    ....e................. a

    Given :

    sin(E) = 65

    e = x

    sin(A) = 75

    a = 32 miles

    Answer is choice B.

    ..sin(65)........sin(75)

    ------------ = --------------

    ......x..................32

  • Ash
    Lv 7
    2 months ago

    Answer : B   sin 65° / x = sin75° / 32

  • 2 months ago

    It's B.

    When using the Law of Sines, sines are either all numerators, or all denominators, never both. 

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