document.write( "Question 1156493: Find sin2x, cos2x, tan2x if sinx= -8/17 and x terminates in quadrant III (3). \n" ); document.write( "
Algebra.Com's Answer #779219 by ikleyn(52797)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Use standard trigonometry formulas of double argument.\r
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