Original post by coconut64
Have I got the right solutions for this question ? The range is -180<x<180 thanks 
Do your solutions satisfy the original equations, and have you got all of the ones in the right range?
Original post by SeanFM
Do your solutions satisfy the original equations, and have you got all of the ones in the right range?
They seem okay to me but the mark scheme doesn't show all the solutions that I have.
That looks fine.
Original post by NotNotBatman
That looks fine.
i can't rep you anymore, so thanks again ,
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