[Video Solution] Let \(f(x) = \begincases \cos [x], & x\geq 0\\ |x| + a, & x< 0 \endcases\) wh... | ASPIRE STUDY

Let \(f(x) = \begincases \cos [x], & x\geq 0\\ |x| + a, & x< 0 \endcases\) where \([x]\) denotes the greatest integer \(\leq x\). If f should be continuous at \(x = 0\) then a must be: | Watch the step-by-step video solution for this NIMCET PYQ.