1.

Solve for x Cos​​​​-1[(x​​​​​​2​​​-1)/(x​​​2+1)] + Tan​-1[2x/(x​​​​​​2​​​​​-1)] = 2π/3 ​​​​​​

Answer»

Solve for x

Cos​​​​-1[(x​​​​​​2​​​-1)/(x​​​2+1)] + Tan​-1[2x/(x​​​​​​2​​​​​-1)] = 2π/3

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