document.write( "Question 899050: How do you find the period and amplitude of y=cos2x and y=3sin2x ?? \n" ); document.write( "
Algebra.Com's Answer #545166 by stanbon(75887)\"\" \"About 
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How do you find the period and amplitude of
\n" ); document.write( "y=cos2x
\n" ); document.write( "Period = (2pi)/2 = pi
\n" ); document.write( "Amplitude = 1
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\n" ); document.write( "y=3sin2x
\n" ); document.write( "Period = (2pi)/2 = pi
\n" ); document.write( "Amplitude = 3
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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