Sallycoot6365 Sallycoot6365

11-03-2024
Mathematics

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Given cos A = -1/3 where sin B = 2/5 sin(A-B) cos(A+B) π/2,
find sin(A-B) and cos(A+B). ppi and sin B = 2/5 where π/2, find sin(A-B) and cos(A+B).

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