document.write( "Question 997819: determining the period and the amplitude and shift cos4theta \n" ); document.write( "
Algebra.Com's Answer #615760 by Alan3354(69443)\"\" \"About 
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determining the period and the amplitude and shift cos4theta
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\n" ); document.write( "Period = pi/2
\n" ); document.write( "Amp = 1
\n" ); document.write( "Shift = 0
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