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Mathematics, 28.10.2019 23:31 floobrr5

The law of cosines is a^2+b^2-2abcosc=c^2. find the value of 2abcosc.

The law of cosines is a^2+b^2-2abcosc=c^2. find the value of 2abcosc.

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The law of cosines is a^2+b^2-2abcosc=c^2. find the value of 2abcosc.
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