document.write( "Question 1036273: Find all solutions of the equation in the interval [0,2pi].\r
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document.write( "2cos(theta) + sqrt( 2 ) = 0\r
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document.write( "Write your answer in radians in term of pi.
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document.write( "If there is more than one solution, separate them with commas. \n" );
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Algebra.Com's Answer #650926 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "2 cos(θ) + √2 = 0 \n" ); document.write( "2 cos(θ) = -√2 \n" ); document.write( "cos(θ) = -√2/2 \n" ); document.write( "θ = 3π/4 , 5π/4 \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |