document.write( "Question 229786: write an equation of the cosine function with amplitude 2, period pi,and phase shift pi/4. \n" ); document.write( "

Algebra.Com's Answer #170289 by Edwin McCravy(20056) $\"\"$ $\"About$

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write an equation of the cosine function with amplitude 2, period pi,and phase shift pi/4.\r
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document.write( "The general equations for sine and cosine are these:\r\n" );
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document.write( "where, \r\n" );
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document.write( "A = the amplitude\r\n" );
document.write( "P = the period\r\n" );
document.write( "S = the phase shift\r\n" );
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document.write( "Yours is a cosine problem, so substituting in the second one:\r\n" );
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document.write( "Edwin

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