"`IfI=int_(-20pi)^(20pi)|sinx|[sinx]dx(w h e r e[dot]`  denotes the greatest integer function), then
Channel: Doubtnut
Date: 2020-06-28

"`IfI=int_(-20pi)^(20pi)|sinx|[sinx]dx(w h e r e[dot]`
 
 denotes the greatest integer function), then the value of `I`
 is
 `-40`
  (b) 40
 
  (c) 20 (d)
 
  `-20`"