document.write( "Question 813096: Find the set of values of x (in radians) for which sec(x) = sqrt(2), for x in [0, 2π]. \n" ); document.write( "
Algebra.Com's Answer #489542 by lwsshak3(11628)\"\" \"About 
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Find the set of values of x (in radians) for which sec(x) = sqrt(2), for x in [0, 2π].
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\n" ); document.write( "secx=√2
\n" ); document.write( "cosx=1/√2=√2/2
\n" ); document.write( "x=π/4, 7π/4 (In quadrants I and IV where cos>0 and sec>0)
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