document.write( "Question 359954: (tanx + cot x) * tan x = sec^2x \n" ); document.write( "
Algebra.Com's Answer #256834 by nyc_function(2741)\"\" \"About 
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(tanx + cot x) * tan x = sec^2x\r
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\n" ); document.write( "\n" ); document.write( "NOTE: cotx = 1/tanx\r
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\n" ); document.write( "\n" ); document.write( "(tanx + 1/tanx) * tan x = sec^2x\r
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\n" ); document.write( "\n" ); document.write( "tan^2x + 1 = sec^2x\r
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\n" ); document.write( "\n" ); document.write( "sec^2x = sec^2x
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