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Mathematics, 16.04.2021 01:00 hardwick744

Three vertices of △ABC have coordinates: A(1, 1), B(4, 1), and C(4, 5). What are the cosines of the angles of the triangle? cos ∠ABC =?

cos ∠BAC = ?

cos ∠ACB =?

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Three vertices of △ABC have coordinates: A(1, 1), B(4, 1), and C(4, 5). What are the cosines of the...

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