document.write( "Question 861494: prove: 1 + tan^2 x/csc^2 x = tan^2 x \n" ); document.write( "

Algebra.Com's Answer #519180 by lwsshak3(11628) $\"\"$ $\"About$

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prove: 1 + tan^2 x/csc^2 x = tan^2 x
\n" ); document.write( "start with left side:
\n" ); document.write( "(1 + tan^2 x)/csc^2 x
\n" ); document.write( "sec^2(x)/csc^2(x)
\n" ); document.write( "(1/cos^2(x))/(1/sin(x))
\n" ); document.write( "sin^2(x)/cos^2(x)=tan^2(x)
\n" ); document.write( "verified: left side=right side \n" ); document.write( "

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