document.write( "Question 598283: if x+y=90 degrees which of the following is true? \r
\n" ); document.write( "\n" ); document.write( "sin x = sin y
\n" ); document.write( "tan x = tan y
\n" ); document.write( "sin x = cos y
\n" ); document.write( "sin x + sin y = 1
\n" ); document.write( "sin x + cos y = 1
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Algebra.Com's Answer #378529 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "And\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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