document.write( "Question 1183232: solve sin(x)=-0.86 on 0≤x<2pi
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Algebra.Com's Answer #813449 by ikleyn(52865) $\"\"$ $\"About$

You can put this solution on YOUR website!
solve sin(x)=-0.86 on 0≤x<2pi
\n" ); document.write( "There are two solutions, A and B, with A < B and A and B in radians to 4 decimal places
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\n" ); document.write( "\n" ); document.write( "how do I do this problem ?
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document.write( "The given equation\r\n" );
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document.write( "    sin(x) = -0.86\r\n" );
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document.write( "has two solutions in the given interval 0 <= x < 2pi.\r\n" );
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document.write( "One solution is in the third quadrant, QIII,\r\n" );
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document.write( "    x = arcsin(0.86) +  radians = 1.03527 + 3.14159 radians = 4.1769 radians.\r\n" );
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document.write( "Second solution is in the fourth quadrant, QIV,\r\n" );
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document.write( "    x =  - arcsin(0.86) radians = 2*3.14159 - 1.03527 radians = 5.2479 radians.\r\n" );
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document.write( "ANSWER.  The two solutions in the given interval are  A = 4.1769 radians  and  B = 5.2479 radians  (rounded as requested).\r\n" );
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\n" ); document.write( "\n" ); document.write( "Ignore the post by @MathLover1, since BOTH her answers are incorrect.\r
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