SOLUTION: Solve in [0,2pi) sec(2theta)tan(theta)-sec(2theta)-2tan(theta)+2=0 Please help, I have no idea what to do.

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Question 729963: Solve in [0,2pi)
sec(2theta)tan(theta)-sec(2theta)-2tan(theta)+2=0

Please help, I have no idea what to do.
Answer by lynnlo(4176) About Me  (Show Source):