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Mathematics 10 Online
OpenStudy (anonymous):

Please help

OpenStudy (anonymous):

Please help?

OpenStudy (mathmate):

@itsstephanie21 are you there?

OpenStudy (mathmate):

|dw:1405128029908:dw| Use the above diagram to decode the law of cosines. Note that uppercase letters represent angles, and lowercase letters represent length of sides. \(2\ b\ c\ cos(A)= b^2+c^2-a^2\)

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