Menyelesaikan x = 2/5, y = 1/2; sin d * [[x + y]] / ([[x - y]]) | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$x=\frac{2}{5},y=\frac{1}{2}; sind[(x+y)]\div[(x-y)]$$