document.write( "Question 1024162: find a pair of acute angles that satisfy the equation sin(3x+9)=cos(x+5) \n" ); document.write( "
Algebra.Com's Answer #639616 by fractalier(6550)\"\" \"About 
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Since sin x = cos (90-x), we have
\n" ); document.write( "3x + 9 = 90 - (x+5)
\n" ); document.write( "3x + 9 = 85 - x
\n" ); document.write( "4x = 76
\n" ); document.write( "x = 19
\n" ); document.write( "so that
\n" ); document.write( "sin 66 = cos 24
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