document.write( "Question 989314: I was able to find the reference number for 5pi/4 which is pi/4 but how do I find what the 6 trig values are? \n" ); document.write( "
Algebra.Com's Answer #609705 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "The six trig ratios for \"pi%2F4\" are\r\n" );
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document.write( "\"sin%28pi%2F4%29\"\"%22%22=%22%22\"\"sqrt%282%29%2F2\"\r\n" );
document.write( "\"cos%28pi%2F4%29\"\"%22%22=%22%22\"\"sqrt%282%29%2F2\"\r\n" );
document.write( "\"tan%28pi%2F4%29\"\"%22%22=%22%22\"\"1\"\r\n" );
document.write( "\"sec%28pi%2F4%29\"\"%22%22=%22%22\"\"sqrt%282%29\"\r\n" );
document.write( "\"csc%28pi%2F4%29\"\"%22%22=%22%22\"\"sqrt%282%29\"\r\n" );
document.write( "\"cot%28pi%2F4%29\"\"%22%22=%22%22\"\"1\"\r\n" );
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document.write( "\"5pi%2F4\" is in QIII because:\r\n" );
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document.write( "\"pi\"\"%22%22%3C%22%22\"\"1.25pi\"\"%22%22=%22%22\"\"5pi%2F4\"\"%22%22%3C%22%22\"\"1.5pi\"\"%22%22=%22%22\"\"3pi%2F2\"\r\n" );
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document.write( "In QIII, only the tangent and cotangent are positive, others negative, so:\r\n" );
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document.write( "\"sin%285pi%2F4%29\"\"%22%22=%22%22\"\"-sqrt%282%29%2F2\"\r\n" );
document.write( "\"cos%285pi%2F4%29\"\"%22%22=%22%22\"\"-sqrt%282%29%2F2\"\r\n" );
document.write( "\"tan%285pi%2F4%29\"\"%22%22=%22%22\"\"1\"\r\n" );
document.write( "\"sec%285pi%2F4%29\"\"%22%22=%22%22\"\"-sqrt%282%29\"\r\n" );
document.write( "\"csc%285pi%2F4%29\"\"%22%22=%22%22\"\"-sqrt%282%29\"\r\n" );
document.write( "\"cot%285pi%2F4%29\"\"%22%22=%22%22\"\"1\"\r\n" );
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document.write( "Edwin
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