JEE Main 202228 Jul, Morning shiftMathematicsEasyTrigonometry118× since 2002Considering only the principal values of the inverse trigonometric functions, the domain of the function f(x)=cos−1(x2−4x+2x2+3)f(x)=\cos ^{-1}\left(\frac{x^{2}-4 x+2}{x^{2}+3}\right)f(x)=cos−1(x2+3x2−4x+2) is :AOption A. (−∞,14]\left(-\infty, \frac{1}{4}\right](−∞,41]BOption B. [−14,∞)\left[-\frac{1}{4}, \infty\right)[−41,∞)COption C. (−1/3,∞)(-1 / 3, \infty)(−1/3,∞)DOption D. (−∞,13]\left(-\infty, \frac{1}{3}\right](−∞,31]CheckSkip · show solution
