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Solving Sin(2x) = Cos(2x): A Complete Guide to Trigonometric Equations
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qweqwe said:solve the equation sin(2x) = cos(2x)
Tried using the double angle formula
Too much work! Make a simple substitution so you can solve the equation sin(u)=cos(u).
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If you show what you have done we can help you find the mistake.
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or just divide by cos(2x)
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