For x greater than or equal to 0, what is the value of sin(tan^(-1)(√(x^(2)+2x)))? Choose one of the following options: (1)/(x+1), none, (√(x^(2)+2x))/(√(x+1)), (√(x^(2)+2x))/(x+1), (√(x^(2)+2x+1))/(√(x+1))