MathematicsEasy110×since 2002Q3884The range of f(x)=4sin−1(x2x2+1)f(x)=4 \sin ^{-1}\left(\frac{x^{2}}{x^{2}+1}\right)f(x)=4sin−1(x2+1x2) isA[0,2π][0,2 \pi][0,2π]B[0,2π)[0,2 \pi)[0,2π)C[0,π)[0, \pi)[0,π)D[0,π][0, \pi][0,π]Check answerSkip