document.write( "Question 1045455: Please help. I would like the answer in radians. Thanks!
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document.write( "2cos^2x + sinx -1 =0 \n" );
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Algebra.Com's Answer #660905 by josgarithmetic(39623)![]() ![]() ![]() You can put this solution on YOUR website! Use the most fundamental of Trigonometric identities: |