document.write( "Question 961339: Evaluate: $\"+21tan%5E2%281432%29+-+21sec%5E2%281432%29+\"$ \r
\n" ); document.write( "\n" ); document.write( "Please show steps
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Algebra.Com's Answer #587463 by lwsshak3(11628) $\"\"$ $\"About$

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Evaluate: $\"+21tan%5E2%281432%29+-+21sec%5E2%281432%29+\"$
\n" ); document.write( "Identity: tan^2(x)-sec2x=-1
\n" ); document.write( "21tan^2(1432) - 21sec^2(1432)
\n" ); document.write( "21(tan^2(1432) -sec^2(1432)=21*(-1)=-21 \n" ); document.write( "

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