Solve in R this equation : $\displaystyle 2\cos (x)+\sin (x)=2 $
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Originally Posted by dhiab Solve in R this equation : $\displaystyle 2\cos (x)+\sin (x)=2 $ Re-write in the form $\displaystyle \sqrt{5} \sin( x + \phi) = 2$ where $\displaystyle \phi$ is left for you to find.
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