document.write( "Question 1020792: f(x)=x^3-sinx find the local max and min points,and how to solve the
\n" ); document.write( "queation: 3x^2-cosx=0 ?
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Algebra.Com's Answer #636694 by richard1234(7193)\"\" \"About 
You can put this solution on YOUR website!
For the first one, take the derivative (which I'm assuming you did).\r
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\n" ); document.write( "\n" ); document.write( "To solve 3x^2 - cos x = 0, you should use a graphing calculator or computer (since the solution is not elementary).
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