document.write( "Question 653510: for what numbers x, -pi less than or equal to x less than or equal to pi, is the graph of y=cos x decreasing \n" ); document.write( "

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for what numbers x, -pi less than or equal to x less than or equal to pi, is the graph of y=cos x decreasing
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\n" ); document.write( "y=cosx
\n" ); document.write( "for: -π ≤ 0 ≤ π
\n" ); document.write( "cos x decreases in the interval: (0,π) \n" ); document.write( "

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