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OpenStudy (anonymous):
Find all the real solutions to the equation sin^2(x)-4sin(x)+3=0.
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OpenStudy (aravindg):
treat sinx as t then solve the quadratic :)
OpenStudy (anonymous):
Ohhhh gotcha. I've been staring at this trying to make it make sense! THANK YOU.
OpenStudy (anonymous):
Ok, when I have quadratic-ed this, I end up with: sin(x)=3 and sin(x)=1 Where do I go from there?
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