document.write( "Question 401634: sin((x)+60)-cos((x)+30)
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Algebra.Com's Answer #284247 by Tatiana_Stebko(1539) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+sin%28x%2B60%29-cos%28x%2B30%29\"$
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\n" ); document.write( "_____________ $\"cos%28a%2Bb%29=cosa%2Acosb-sina%2Asinb\"$
\n" ); document.write( " $\"sin%28x%2B60%29=sinx%2Acos60%2Bcosx%2Asin60\"$
\n" ); document.write( " $\"sin60=sqrt%283%29%2F2\"$ , $\"cos60=1%2F2\"$
\n" ); document.write( " $\"sinx%2Acos60%2Bcosx%2Asin60=%281%2F2%29sinx%2B%28sqrt%283%29%2F2%29cosx\"$
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\n" ); document.write( " $\"cos%28x%2B30%29=cosx%2Acos30-sinx%2Asin30\"$
\n" ); document.write( " $\"cos30=sqrt%283%29%2F2\"$ , $\"sin60=1%2F2\"$
\n" ); document.write( " $\"cosx%2Acos30-sinx%2Asin30=%28sqrt%283%29%2F2%29cosx-%281%2F2%29sinx\"$
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