Mathematics, 04.11.2021 05:30 sophiapknight

Prove that Sin(A-B) + Cos(A-B)tan(C) = Sin(2B)Sec(C) . Given A, B and C are angles of a triangle.

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Prove that Sin(A-B) + Cos(A-B)tan(C) = Sin(2B)Sec(C) . Given A, B and C are angles of a triangle....

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