document.write( "Question 1000920: if cota=12÷5 than sina+cosa=? \n" ); document.write( "
Algebra.Com's Answer #618234 by Alan3354(69443)\"\" \"About 
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if cota=12÷5 than sina+cosa=?
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\n" ); document.write( "cot = x/y = 12/5
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\n" ); document.write( "\"r+=+sqrt%28x%5E2+%2B+y%5E2%29+=+13\"
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\n" ); document.write( "sin = y/r = 5/13
\n" ); document.write( "cos = x/r = 12/13
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\n" ); document.write( "sin + cos = 17/13 if a is in Q1
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\n" ); document.write( "If a is in Q3:
\n" ); document.write( "sin + cos = -17/13
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