document.write( "Question 295552: Find the amplitude, period and phase shift of y= 3cos(2x+pi) \n" ); document.write( "

Algebra.Com's Answer #213215 by Fombitz(32388) $\"\"$ $\"About$

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Here is the function plotted against the standard cosine function.
\n" ); document.write( " $\"+graph%28+300%2C+300%2C+-7%2C+7%2C+-5%2C+5%2C+3%2Acos%282%2Ax%2B3.1415%29%2C+cos%28x%29%29+\"$
\n" ); document.write( "Amplitude= $\"3\"$ (normally it's $\"1\"$ ).
\n" ); document.write( "Period= $\"pi\"$ , normally it's $\"2%2Api\"$ .
\n" ); document.write( "Phase shift= $\"pi%2F2\"$ \n" ); document.write( "

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