Question

Find all solutions for interval [0, 2π).

2cos(3/2T)=1

Answer 1

is the problem:
\[\huge 2cos(\frac{3}{2}t)=1 \] ????

Answer 2

Yes, that is the problem.

Answer 3

I've worked it out to an extent. I came up with 2π/9 and 10π/9 as options, but there is one more solution for 1 and I have no idea how to find it.