NishRaleyme
NishRaleyme NishRaleyme
  • 14-06-2016
  • Mathematics
contestada

Determine all points of intersection: y=cosx and y=sinx in the first quadrant

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HomertheGenius
HomertheGenius HomertheGenius
  • 20-06-2016
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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