1.

If x=(-∞,-1) find value of 4 tan inverse x + sin inverse(2x/1+x²)+ Cos inverse (1-x²/1+x²) .

Answer» If x=(-∞,-1) find value of 4 tan inverse x + sin inverse(2x/1+x²)+ Cos inverse (1-x²/1+x²) .


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