document.write( "Question 1047304: Hello i am confused as to where to start and solve this question\r
\n" ); document.write( "\n" ); document.write( "Write the expression in algebraic form.\r
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Algebra.Com's Answer #662843 by ikleyn(52874) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "Hello i am confused as to where to start and solve this question\r
\n" ); document.write( "\n" ); document.write( "Write the expression in algebraic form.\r
\n" ); document.write( "\n" ); document.write( "Sin(arccos(x))
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document.write( "arccos(x) is the angle  whose cosine is \"x\":  = x.\r\n" );
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document.write( "Now,  = .\r\n" );
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document.write( "But cos(alpha) = x.  Hence,  = .\r\n" );
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document.write( "Thus  sin(arccos(x) =  = .\r\n" );
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document.write( "Answer.  sin(arccos(x) = .\r\n" );
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\n" ); document.write( "\n" ); document.write( "To see more similar solved problems, look into the lessons\r
\n" ); document.write( "\n" ); document.write( " - Calculating trigonometric functions of angles\r
\n" ); document.write( "\n" ); document.write( " - Advanced problems on calculating trigonometric functions of angles\r
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\n" ); document.write( "\n" ); document.write( "They may help you in the future when you will meet similar problems.\r
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