document.write( "Question 1056289: if cosx=-12/13 and sin x>0, find tan(2x)
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Algebra.Com's Answer #671445 by Magicmushroom(1)![]() ![]() ![]() You can put this solution on YOUR website! if cosx=-12/13 and sin x>0, find tan(2x) \n" ); document.write( "Take the arccosine:\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Plug in the value of x to find tan(2x)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |