document.write( "Question 999651: How to find the exact value of cos(690)+sin(600)/tan(600)*sin(225)\r
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Algebra.Com's Answer #617234 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
I guess you have this:\r
\n" ); document.write( "\n" ); document.write( "\"%28cos%28690%29%2Bsin%28600%29%29%2F%28tan%28600%29%2Asin%28225%29+%29\"\r
\n" ); document.write( "\n" ); document.write( "if yes, then first find the value of each term above\r
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\n" ); document.write( "\n" ); document.write( "\"cos%28690%29=cos%28-30%29=sqrt%283%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"sin%28600%29=sin%28-120%29=+-sqrt%283%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "\"sin%28225%29+=sin%28-135%29=-sin%2845%29=+-1%2Fsqrt%282%29\"\r
\n" ); document.write( "\n" ); document.write( "substitute all in \"%28cos%28690%29%2Bsin%28600%29%29%2F%28tan%28600%29%2Asin%28225%29+%29\"\r
\n" ); document.write( "\n" ); document.write( "=\"%28sqrt%283%29%2F2-sqrt%283%29%2F2%29%2F%28sqrt%283%29%2A%28-1%2Fsqrt%282%29%29+%29\"\r
\n" ); document.write( "\n" ); document.write( "=\"0%2F%28-sqrt%283%29%2Fsqrt%282%29%29+\"\r
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