See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

    1 1 x 0 sin sinx A lim cos cosx         1 1 1 x 0 x 0 sin sinx x lim lim 1 x cos cosx              1 1 x 0 x 0 sin sinx x lim lim 1 x cos cosx         A does not exist     x 0 x B lim 0 as x 0 when x 0 x      .