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Trigonometry 19 Online
OpenStudy (anonymous):

In Cosine Law: b^2= a^2 + c^2 - 2ac cosB. How to express this given in the Scientific Calculator. Below

OpenStudy (anonymous):

\[\sqrt{13^{2}}+6^{2} -2(13)(6) \cos 20\]

OpenStudy (anonymous):

all|dw:1406868610152:dw|

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