Hello this question looked straight forward enough, but I'm stuck and would really appreciate some help.
Solve on the interval
I tried writing it in terms of and
And got this;
, among various similar equations.
I have worked on from here a bit, but can't seem to get it in terms of a trigonometric equation I can then solve. I'd really appreciate it if somone would tell me if I'm on the right track and should keep going or if I need to approach the question in a different way.
Thank you very much.