Subject: Trigonometric equations
Who is asking: Student
How would you solve 2sin 3x-1=0? I don't know what to do with the 3.
I would make a change of variables. Let y = 3x and then the problem becomes solve 2sin y - 1 = 0. Thus sin y = 1/2. Now solve for y and since y = 3x, x = y/3.