document.write( "Question 1178808: In this problem, we find all x with 0\n" ); document.write( "\n" ); document.write( "Use sin^2x+cos^2x=1 to find cosx. \n" ); document.write( "
Algebra.Com's Answer #808251 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Had your post be presented accurately,  I would show/teach you,  how to solve this  (and similar)  problem/problems.\r
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\n" ); document.write( "\n" ); document.write( "But for the person who presents  Math problem in this way,  I will do  NOTHING.\r
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\n" ); document.write( "\n" ); document.write( "Regarding the solution by @MathLover1,  I can say, that for a standard/routine/regular
\n" ); document.write( "school Math problem,  the solution should not be longer than  10  lines of the standard text  (as an average).\r
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\n" ); document.write( "\n" ); document.write( "If it is significantly longer,  I'd think that something is out of the order in the solution.\r
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\n" ); document.write( "\n" ); document.write( "I'd say then,  that something is out of the order  EITHER  in the solution itself,  OR  in its methodology,\r
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\n" ); document.write( "\n" ); document.write( "Actually,  there is a clear,  straightforward classic elegant solution \r
\n" ); document.write( "\n" ); document.write( "to this and similar problems in  5 - 6  lines long.\r
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