document.write( "Question 900728: If
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document.write( "Cos^2 α + sin^2 α = tan^2 β
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document.write( "prove that:
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document.write( "Cos^2 β + sin^2 β = tan^2 α\r
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Algebra.Com's Answer #546121 by Edwin McCravy(20060)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "\n" ); document.write( " |