document.write( "Question 403220: Solve equation for all value of ų if ų measure in degrees
\n" ); document.write( "(cosų)(sin2ų)-2sinų+2=0 \n" ); document.write( "

Algebra.Com's Answer #285142 by Tatiana_Stebko(1539) $\"\"$ $\"About$

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$\"cosw%2Asin2w-2sinw%2B2=0\"$
\n" ); document.write( "Formula $\"sin2w=2sinw%2Acosw\"$
\n" ); document.write( " $\"cosw%2A2sinw%2Acosw-2sinw%2B2=0\"$
\n" ); document.write( " $\"%28cosw%29%5E2%2A2sinw-2sinw%2B2=0\"$
\n" ); document.write( "Formula $\"%28cosw%29%5E2=1-%28sinw%29%5E2\"$
\n" ); document.write( " $\"%281-%28sinw%29%5E2%29%2A2sinw-2sinw%2B2=0\"$
\n" ); document.write( " $\"2sinw-2%28sinw%29%5E3-2sinw%2B2=0\"$
\n" ); document.write( " $\"-2%28sinw%29%5E3%2B2=0\"$
\n" ); document.write( " $\"-2%28sinw%29%5E3=-2\"$
\n" ); document.write( " $\"%28sinw%29%5E3=1\"$
\n" ); document.write( " $\"sinw=1\"$
\n" ); document.write( " $\"w=90%2B360%2Ak\"$ , k any integer
\n" ); document.write( " \n" ); document.write( "

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