document.write( "Question 1194999: I need help finding the exact values Use a double-angle identity to find the exact value of sin(8π/3) \n" ); document.write( "

Algebra.Com's Answer #827320 by ikleyn(52835) $\"\"$ $\"About$

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document.write( "The angle   =  +  is equivalent to  = 120 degrees.\r\n" );
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document.write( "THEREFORE,   = sin(120°) = .    ANSWER\r\n" );
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document.write( "The value  sin(120°)  is the table value, and every student studying Trigonometry must know the value.\r\n" );
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