document.write( "Question 1039138: 8 sin^2 x + 3 sin 2x = 4
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Algebra.Com's Answer #653878 by ikleyn(52824) $\"\"$ $\"About$

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\n" ); document.write( "8 sin^2 x + 3 sin 2x = 4
\n" ); document.write( "Solve for all angles btw 0 and 360 which satisfy the equation.
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document.write( " = ,  --->\r\n" );
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document.write( " = ,  --->\r\n" );
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document.write( " = ,  --->    (replace 1 by )\r\n" );
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document.write( " = ,  --->\r\n" );
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document.write( " = ,  --->  (replace   by  -cos(2x)) \r\n" );
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document.write( "-4cos(2x) + 3sin(2x) = 0  --->  4cos(2x) = 3sin(2x)  --->  tan(2x) =   --->  \r\n" );
document.write( "2x =   and/or  2x =   --->  \r\n" );
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document.write( "x =   and/or  x = .\r\n" );
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\r
\n" ); document.write( "\n" ); document.write( "Now use your calculator to convert arctan into degrees.\r
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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