General solution for a trigonometry equation.(adsbygoogle = window.adsbygoogle || []).push({});

I solved this equation with several method and I found two possible expressions for the answers. They should be exactly the same. Please help me check for them or combine them together to give the one which is more common. Thanks for any ideas.

[itex] \cos x + \sin x=0 [/itex]

[itex]x=n\pi -\pi/4[/itex]

[itex]x=(n\pi)/2+\pi/4[/itex]

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# General solution

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