cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2
cot2x cotx=1 হলে x =?
(2n+1)π/2
(2n+1)π/6
(2n+1)π/3
(2n+-1)π/2