document.write( "Question 1160411: if cos theta = -8/17 and theta is in quadrant 3,
\n" ); document.write( "cos 2theta= ? A.161/289 B.-161/289 C.64/289 D.-62/289
\n" ); document.write( "and tan 2 theta=? A. -30/217 B-30/161 C.-240/217 D.-240/161 \n" ); document.write( "
Algebra.Com's Answer #783705 by ikleyn(52782)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "            Hello,  you are,  probably,  a novice at this forum,  so I will provide some instructions to you on writing formulas.\r
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\n" ); document.write( "\n" ); document.write( "If you want to request  \"cos%282theta%29\",  write  cos(2*theta),  using  PARENTHESES.\r
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\n" ); document.write( "\n" ); document.write( "If you want to request  \"cos%5E2%28theta%29\",  write cos^2(theta).\r
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\n" ); document.write( "\n" ); document.write( "If you neglect these rules,  nobody will understand you,  and your time  (as well as the tutors' time)  will be spent for  NOTHING.\r
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