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Mathematics, 02.11.2021 01:40 antionette1
Select the angle that correctly completes the law of cosines for this triangle 12^2 + 13^2 - 2(12)(13)cos __ = 5^2
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Select the angle that correctly completes the law of cosines for this triangle 12^2 + 13^2 - 2(12)(1...
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