document.write( "Question 1167093: please help me solve this equation: cosx-siny/cosy+sinx + cosy-sinx/cosx+siny , x=arctan1/2018 and y=arctan2017/2019 \n" ); document.write( "
Algebra.Com's Answer #791699 by ikleyn(52908)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "1.   There is no any equation in your post.\r
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\n" ); document.write( "\n" ); document.write( "2.   Hey,  if you don't even know terminology  (standard elementary terms)  and do not understand what you are asking about, \r
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\n" ); document.write( "\n" ); document.write( "      then there is no any sense to discuss the subject with you.\r
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