document.write( "Question 708989: (1+sinx)[1+sin(-x)]=1 \n" ); document.write( "

Algebra.Com's Answer #436717 by lwsshak3(11628) $\"\"$ $\"About$

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(1+sinx)[1+sin(-x)]=1
\n" ); document.write( "sin(-x)=-sin(x)
\n" ); document.write( "(1+sinx)[1-sin(x)]=1
\n" ); document.write( "1-sin^2(x)=1
\n" ); document.write( "sin^2x=0
\n" ); document.write( "x=0
\n" ); document.write( " \n" ); document.write( "

\n" );