Respuesta :

HomertheGenius
There is just one value in the first quadrant where:
sin x = cos x = [tex] \frac{ \sqrt{2} }{2} [/tex]
The point is ([tex] \frac{ \sqrt{2} }{2} , \frac{ \sqrt{2} }{2} [/tex]) and x=45°=π/4  

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