document.write( "Question 605368: a water wave is created in a wave tank. it has an amplitude of 3 and period of 4/5 pi. find the equation of this answer as a sine function \n" ); document.write( "
Algebra.Com's Answer #381657 by jim_thompson5910(35256)\"\" \"About 
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y = A*sin(Bx - C) + D\r
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\n" ); document.write( "\n" ); document.write( "In this case, A = 3 and B = 2pi/T = 2pi/(4/5pi) = 5/2. The other values of C and D are zero.\r
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\n" ); document.write( "\n" ); document.write( "So the equation is \r
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