Mathematics, 25.07.2020 04:01, coco4937

Calculate: sin(α−β), if sinα =− 2/5 , cosβ=− 1/3 , 3π/2 <α<2π, π/2 <β<π

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Calculate: sin(α−β), if sinα =− 2/5 , cosβ=− 1/3 , 3π/2 <α<2π, π/2 <β<π...