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Mathematics 10 Online
OpenStudy (anonymous):

please help me !!! i will love you forever Use the law of cosines to find the value of theta

OpenStudy (anonymous):

OpenStudy (studygurl14):

Law of cosines: \(\large a^2=b^2+c^2-2bc (cosA)\) \(\large b^2=a^2+c^2-2ac (cosB)\) \(\large c^2=a^2+b^2-2ab (cosC)\)

OpenStudy (anonymous):

2x4x5 cos theta

OpenStudy (studygurl14):

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OpenStudy (studygurl14):

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