Mht CetFunctionsMHT CET 2026 17th April Evening ShiftMCQ+2 / -02026If $f(x) = \dfrac{1 - x}{1 + x}$, then $f(f(\cos x)) =$A$\cos x$B$x$C$\tan\dfrac{x}{2}$D$\cos\dfrac{x}{2}$Check AnswerClear SelectionReveal AnswerShow Explanation
