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0 votes
Solve cos 4x, if sin x - cos x = 1/3.

2 Answers

3 votes
I’m not an expert in math but it looks correct
answered
User Karan Owalekar
by
8.1k points
5 votes

I'm not an expert at this but use the khan academy video on unit circle to help you tackle that problem.

answered
User Mfrackowiak
by
8.2k points

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