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Mathematics 18 Online
OpenStudy (anonymous):

Find all solutions to the equation. cos x = sin x

OpenStudy (anonymous):

Doesn't make sense

OpenStudy (mathmate):

When in doubt, draw a sketch: |dw:1357770541986:dw| The sketch is for 0<=x <=2pi. The general solution requires the form x=.... +2k pi where k is an integer.

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