document.write( "Question 1160366: Find a root of an equation f(x)=2coshxsinx-1 taking initial value x0=0.4, using Newton Raphson method correct up to four decimal places \n" ); document.write( "

Algebra.Com's Answer #783655 by ikleyn(52802) $\"\"$ $\"About$

You can put this solution on YOUR website!
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document.write( "Go to  WEB-site \r\n" );
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document.write( "https://keisan.casio.com/exec/system/1244946907\r\n" );
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document.write( "and use the Newton-Raphson method online calculator there.\r\n" );
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document.write( "Input the given function in one window.\r\n" );
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document.write( "Input its derivative  2*sin(x)*sinh(x) + 2*cos(x)*cosh(x)  in the other window.\r\n" );
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document.write( "Set up the number of iterations and the desired accuracy.\r\n" );
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document.write( "Press the \"Execute\" button.\r\n" );
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document.write( "You will get the solution in a second, with step-by-step printing.\r\n" );
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document.write( "After 4 iterations, the found root is  x = 0.4668337563 with 10 correct decimals.\r\n" );
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