document.write( "Question 683000: Solve: csc^2x-2cot^2x=0 \n" ); document.write( "

Algebra.Com's Answer #423610 by lwsshak3(11628) $\"\"$ $\"About$

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For interval [0,π]
\n" ); document.write( "Solve: csc^2x-2cot^2x=0
\n" ); document.write( "(1/sin^2x)-(2cos^2x/sin^2x)=0
\n" ); document.write( "divide by sin^2x
\n" ); document.write( "1-2cos^2x=0
\n" ); document.write( "cos^2x=1/2
\n" ); document.write( "cosx=1/√2=√2/2
\n" ); document.write( "x=π/4 \n" ); document.write( "

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