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March 28, 2017

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Use the law of cosines to solve ABC with A=126.3, b=45, and c=62.5

I did all the work to find a but my problem is finding B

a=96.2

Sin(B)=45sin126.3/96.2
B=Sin^-1(45sin126.3/96.2)
It's not going through in my calculator

  • Math - ,

    I would use the law of sines to find angle B.

    SineB/b=SinA/a

  • Math - ,

    Sin(B)/45=126.3/96.2

    im stuck there

  • Math - ,

    B=1.03 and C=52.67

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