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

asked Jan 7, 2020 111k views

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3 votes

I’m not an expert in math but it looks correct

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5 votes

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

Mfrackowiak answered Jan 13, 2020

$User Mfrackowiak$

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