document.write( "Question 1071446: solve the equation for x, where o<=x<=360.
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Algebra.Com's Answer #686408 by ikleyn(52800) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "solve the equation for x, where o<=x<=360.
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document.write( "sin(3x) + 2 = 1.5  --->\r\n" );
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document.write( "sin(3x) = -0.5  --->\r\n" );
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document.write( "3x = 210°  or/and  3x = 330°.\r\n" );
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document.write( "--->  x = 70°  or/and  x = 110°.\r\n" );
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document.write( "But also  \r\n" );
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document.write( "1)  3x = 210+ 360° = 570°  or/and  3x = 330° + 360° = 690°,   which gives \r\n" );
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document.write( "    x =  = 190°   or/and  x =  = 230°.\r\n" );
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document.write( "and\r\n" );
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document.write( "2)  3x = 210+ 720° = 930°  or/and  3x = 330° + 720° = 1050°,   which gives \r\n" );
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document.write( "    x =  = 310°   or/and  x =  = 350°.\r\n" );
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document.write( "Answer.   The solutions are 70°,  110°,  190°,  230°,  310°  and 350°.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Plot y = sin(3x) (red) and y = $\"-1%2F2\"$ (green)\r
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\n" ); document.write( "\n" ); document.write( "The solution by \"josgarithmetic\" is   W R O N G.\r
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\n" ); document.write( "\"josgarithmetic\", you are mathematically illiterate person.\r
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\n" ); document.write( "\n" ); document.write( "I prove it to you and to all others in this site just hundreds of times.\r
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\n" ); document.write( "\n" ); document.write( "What are you doing in this forum   ? ?\r
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\n" ); document.write( "\n" ); document.write( "Do not shame this forum ! ! !\r
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\n" ); document.write( "\n" ); document.write( "OK, I know what you can do here: the problems on the slope, intercepts . . . \r
\n" ); document.write( "\n" ); document.write( "        What else ???\r
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\n" ); document.write( "\n" ); document.write( "You absolutely do not fit as a tutor neither for word problems, nor for trigonometry.\r
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\n" ); document.write( "\n" ); document.write( "Please do not touch that areas and that problems where you are not competent !\r
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\n" ); document.write( "\n" ); document.write( "        D o     n o t     s h a m e     t h i s    f o r u m   ! !\r
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\n" ); document.write( "\n" ); document.write( "        T a k e   m y     w a r n i n g   v e r y   s e r i o u s l y !\r
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