document.write( "Question 572848: I dont even know where to begin to start this problem\r
\n" ); document.write( "\n" ); document.write( "1+sin squared 40 degrees + sin squared 50 degrees
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Algebra.Com's Answer #368536 by Alan3354(69443)\"\" \"About 
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1+sin squared 40 degrees + sin squared 50 degrees
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\n" ); document.write( "sin(50) = cos(40)
\n" ); document.write( "--> 1 + sin^2(40) + cos^2(40)
\n" ); document.write( "= 1 + 1
\n" ); document.write( "= 2
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