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## anonymous 3 years ago Find all solutions in the interval [0, 2π). cos x = sin x

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1. abb0t

Set it equal to $\tan(x) = 0$ on the given interval...

2. abb0t

$\frac{ \sin(x) }{ \cos(x) } = \tan(x)$

3. anonymous

tan(x)=1

4. anonymous

x=pi/4

5. anonymous

pi/4+pi=5pi/4

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