document.write( "Question 562197: Find all values of x in the interval [0, 2π] that satisfy the inequality. \r
\n" ); document.write( "\n" ); document.write( "−9 < 9 tan(x) < 9
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Algebra.Com's Answer #364924 by lwsshak3(11628)\"\" \"About 
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Find all values of x in the interval [0, 2π] that satisfy the inequality.
\n" ); document.write( "−9 < 9 tan(x) < 9
\n" ); document.write( "−1 < tan(x) < 1
\n" ); document.write( "tan(x) > -1
\n" ); document.write( "tan(x) < 1
\n" ); document.write( "..
\n" ); document.write( "Intervals in which x-values (radians) satisfy the inequality:
\n" ); document.write( "for tan(x) < 1
\n" ); document.write( "[0, π/4) and [π, 5π/4) (quadrants I and III where tan>0)
\n" ); document.write( "..
\n" ); document.write( "for tan(x) > -1
\n" ); document.write( "(3π/4,π] and (7π/4,2π] (quadrants II and IV where tan<0)
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