binbagsss Messages 1,291 Reaction score 12 Thread starter Apr 22, 2012 #1 Is 2a/sin 2x equivalent to a cot x?
LawrenceC Messages 1,198 Reaction score 5 Apr 22, 2012 #2 You could always pick a number for a and another for the angle and find out!
tal444 Messages 157 Reaction score 0 Apr 22, 2012 #3 Use trigonometric identities for sin2x and cotx, and it is simple from there to tell if they are equivalent or not.
Use trigonometric identities for sin2x and cotx, and it is simple from there to tell if they are equivalent or not.