# Trigo-equation

• December 7th 2009, 02:54 AM
dhiab
Trigo-equation
Solve in R this equation :
$
2\cos (x)+\sin (x)=2
$
• December 7th 2009, 03:14 AM
mr fantastic
Quote:

Originally Posted by dhiab
Solve in R this equation :
$
2\cos (x)+\sin (x)=2
$

Re-write in the form $\sqrt{5} \sin( x + \phi) = 2$ where $\phi$ is left for you to find.