document.write( "Question 822507: Find the smallest number θ larger than 11π such that cos θ = -1/2.
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Algebra.Com's Answer #494942 by lwsshak3(11628) $\"\"$ $\"About$

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Find the smallest number θ larger than 11π such that cos θ = -1/2.
\n" ); document.write( "Give exact answer.
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\n" ); document.write( "arccos(-1/2)=2π/3+2πn,n=integer
\n" ); document.write( "2π/3+2πn>11π
\n" ); document.write( "2+6n>33
\n" ); document.write( "6n>31
\n" ); document.write( "n>31/6=5+
\n" ); document.write( "n=6
\n" ); document.write( "..
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\n" ); document.write( "\n" ); document.write( "smallest number θ larger than 11π = 38π/3 \n" ); document.write( "

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