Grade 11Differential CalculusEvaluate lim x tends to 1 root 1-cos2(x-1)/(x-1) shresth gautam 13 Years agoGrade 11
chandradeep pokhariya 13 Years agoLimx-1 √(1-cos2(x-1))/x-1 Let x-1->0 so taking x-1=h Also converting cos2(h) in 1-2sin2h √2 is the answer