document.write( "Question 499481: Find all values of x in the interval [0, 2π] that satisfy the given equation. (Enter your answers as a comma-separated list.)\r
\n" ); document.write( "\n" ); document.write( "(sin x)2 − 6 cos x − 6 = 0
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Algebra.Com's Answer #337746 by lwsshak3(11628)\"\" \"About 
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Find all values of x in the interval [0, 2π] that satisfy the given equation. (Enter your answers as a comma-separated list.)
\n" ); document.write( "(sin x)2 − 6 cos x − 6 = 0
\n" ); document.write( "**
\n" ); document.write( "(sin^2x − 6 cos x − 6 = 0
\n" ); document.write( "1-cos^2x-6cosx-6=0
\n" ); document.write( "cos^2x+6cosx+5=0
\n" ); document.write( "(cosx+1)(cosx+5)=0
\n" ); document.write( "cosx+5=0
\n" ); document.write( "cosx=-5 (reject, -1 ≤ cosx ≤ 1
\n" ); document.write( "cosx+1=0
\n" ); document.write( "cosx=-1
\n" ); document.write( "x=π
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