document.write( "Question 1100440: tan x=-1, -3pi < x < 3pi \n" ); document.write( "
Algebra.Com's Answer #714926 by Alan3354(69443)\"\" \"About 
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tan x=-1 -3pi < x < 3pi
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\n" ); document.write( "x = pi/4
\n" ); document.write( "Tan is negative in Q2 and Q4
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