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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) . | |