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Find the smallest positive solution to the equation sin(x)= cos (2x+pi/3)

 

Thank you!

 Nov 9, 2020
 #1
avatar+111600 
+2

All you need to know is that

 

\(Sin(x)=cos(\frac{\pi}{2}-x)\)

 

 

If you think about any right-angle triangle you will see that this is true

(at least you will see it is true for acute angles).

 Nov 9, 2020
 #3
avatar+93 
+1

oh wait im an idiot. I completely forgot about that, thanks for your help

doorknoob  Nov 10, 2020

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