Find the local maxima or local minima, if any, of the function f (x) = sin x + cos x, 0 x π\2 using the first derivative test. Ans: local max. at x = π\4 XIIAODQ123 To get enroll in our live online courses of different subjects of different classes Call or Whatsapp : 9479674144 or visit our Institute "Abhilasha Classes" Address- CL-59 Deen Dayal Nagar, (474020) Gwalior, (M.P)