document.write( "Question 855854: Solve the equation. (Enter your answers as a comma-separated list. Use n as an integer constant. Enter your response in radians.)\r
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\n" ); document.write( "\n" ); document.write( " 1.(square root 2)/2 co-secant x − 1 = 0\r
\n" ); document.write( "\n" ); document.write( "2.16 cosine^2 x − 4 = 0\r
\n" ); document.write( "\n" ); document.write( "3. 4 cosine^3 x = 4 cosine x
\n" ); document.write( "5. 2 cosine 3x − 1 = 0 \n" ); document.write( "

Algebra.Com's Answer #515695 by lwsshak3(11628) $\"\"$ $\"About$

You can put this solution on YOUR website!
Domain:[0,2π)
\n" ); document.write( "1.(square root 2)/2 co-secant x − 1 = 0
\n" ); document.write( " $\"%28sqrt%282%29%2F2%29+csc%28x%29-1=0\"$
\n" ); document.write( " $\"%28sqrt%282%29%2F2%29+csc%28x%29=1\"$
\n" ); document.write( " $\"csc%28x%29=2%2Fsqrt%282%29\"$
\n" ); document.write( " $\"sin%28x%29=sqrt%282%29%2F2\"$
\n" ); document.write( "x=π/4, 3π/4
\n" ); document.write( "..
\n" ); document.write( "2.16 cosine^2 x − 4 = 0
\n" ); document.write( " $\"16cos%5E2%28x%29-4=0\"$
\n" ); document.write( " $\"cos%5E2%28x%29=4%2F16=1%2F4\"$
\n" ); document.write( "cos(x)=ą(1/2)
\n" ); document.write( "x=π/3, 2π/3, 4π/3, 5π/3
\n" ); document.write( " ..
\n" ); document.write( "3. 4 cosine^3 x = 4 cosine x
\n" ); document.write( "cos^3(x)-cos(x)=0
\n" ); document.write( "cos(x)(cos^2(x)-1)=0
\n" ); document.write( "cos(x)=0
\n" ); document.write( "x=π/2, 3π/2
\n" ); document.write( "cos^2(x)-1=0
\n" ); document.write( "cos(x)=ą1
\n" ); document.write( "x=0, π
\n" ); document.write( "..
\n" ); document.write( "5. 2 cosine 3x − 1 = 0
\n" ); document.write( "cos(3x)=1/2
\n" ); document.write( "3x=π/3, 5π/3
\n" ); document.write( "x=π/9, 5π/9 \n" ); document.write( "

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