document.write( "Question 31983: Expand (3cos^2theta + 2sec^2theta)^2 i figured this much but got stuck after this:\r
\n" ); document.write( "\n" ); document.write( "(3cos^2theta + 2sec^2theta)(3cos^2theta + 2sec^2theta)
\n" ); document.write( "(9cos^4theta + 4sec^2theta6cos^2theta + 4sec^4theta)
\n" ); document.write( "9cos^4theta + 4 (1/cos theta)^2 6cos^2theta + 4(1/cos theta)^4\r
\n" ); document.write( "\n" ); document.write( "i'm stuck, please help me! thanks!
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Algebra.Com's Answer #18521 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
You have expanded the original expression.
\n" ); document.write( "What more do you want to do?
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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