document.write( "Question 886258: 1-sin^4 theta/ 1+sin^2 theta= cos^2 theta \n" ); document.write( "

Algebra.Com's Answer #535840 by stanbon(75887) $\"\"$ $\"About$

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1-sin^4 theta/ 1+sin^2 theta= cos^2 theta
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\n" ); document.write( "Factor:
\n" ); document.write( "(1-sin^2(t))(1+sin^2(t))/(1+sin^2(t)) = 1-sin^2(t)
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\n" ); document.write( "Reduce the fraction on the left side to get:
\n" ); document.write( "1-sin^2(t) = 1-sin^2(t)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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