document.write( "Question 942761: prove cos(x+pi/6)+sin(x-pi/3)=o \n" ); document.write( "

Algebra.Com's Answer #574752 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Expanding each term,
\n" ); document.write( " $\"cos%28x%2Bpi%2F6%29=%28sqrt%283%29%2F2%29cos%28x%29-sin%28x%29%2F2\"$
\n" ); document.write( " $\"sin%28x-pi%2F3%29=sin%28x%29%2F2-%28sqrt%283%2F2%29%29cos%28x%29\"$
\n" ); document.write( "Then adding them together,\r
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\n" ); document.write( " $\"cos%28x%2Bpi%2F6%29%2Bsin%28x-pi%2F3%29=0\"$
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