document.write( "Question 806251: cos^2 θ - 1 = 0 \n" ); document.write( "
Algebra.Com's Answer #485743 by oscargut(2103)\"\" \"About 
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cos^2 θ - 1 = 0\r
\n" ); document.write( "\n" ); document.write( "-sin^2 θ = 0\r
\n" ); document.write( "\n" ); document.write( "sin (θ) = 0\r
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\n" ); document.write( "\n" ); document.write( "Solution: θ = k(pi) , k integer\r
\n" ); document.write( "\n" ); document.write( "If you need more help today, you can contact me now at:\r
\n" ); document.write( "\n" ); document.write( "mthman@gmail.com\r
\n" ); document.write( "\n" ); document.write( "Thanks
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