Solve ln(2x+1)>3cosx

how do i proceed?

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- Nov 28th 2011, 05:42 AMkandyflossSolving inequalities
Solve ln(2x+1)>3cosx

how do i proceed? - Nov 28th 2011, 06:09 AMPlatoRe: Solving inequalities
- Nov 28th 2011, 06:18 AMprincepsRe: Solving inequalities
Plot of: $\displaystyle \ln(2x+1)-3\cos x$

http://i.imgur.com/j2yRI.jpg - Nov 28th 2011, 06:22 AMkandyflossRe: Solving inequalities
thanks princeps, okay so from the graph above. i can say ln(2x+1)-3cosx is >0 for 1.2<x<5.8 and 6.7<x<10 right?

- Nov 28th 2011, 07:10 AMprincepsRe: Solving inequalities