document.write( "Question 1179435: Find all solutions of the equation in the interval [0, 2𝜋). Enter solutions as a comma-separated list. No solution is also possible.
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Algebra.Com's Answer #808990 by ikleyn(53763) $\"\"$ $\"About$

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document.write( "    8*sec^2(x) − 8 = 0\r\n" );
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document.write( "implies\r\n" );
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document.write( "    sec^2(x) = 1\r\n" );
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document.write( "    sec(x) =  = +/- 1\r\n" );
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document.write( "    cos(x) = +/- 1.\r\n" );
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document.write( "In the given interval, there are 2 solutions  x= 0  or  x= .    ANSWER\r\n" );
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