Could someone help me find the solution of this ?(adsbygoogle = window.adsbygoogle || []).push({});

x - y + z - 2 A sin(y+z) = C

-x - y - z - 2 A sin(x+z) = C

-x + y + z - 2 A sin(x+y) = C

Where C and A are constant ?

Many thanks

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# 3 Equations + sine : Help

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