Posted by Sh on Friday, January 9, 2009 at 1:44am.
y = 42cosx
what does the 4 mean since it is not part of the amplitude.
thanks in advance

math  drwls, Friday, January 9, 2009 at 2:47am
4 is the mean value when you average over all values of x

math  liz, Friday, January 9, 2009 at 4:32pm
suppose that a width of a rectangle is 5 inches shorter than the length and the the perimeter of the rectangle is 50
set up an equation for the perimeter invlving only l, the length of the rectangle
find the length and width

math  Anonymous, Tuesday, July 9, 2013 at 1:05am
It took Jose 3 hours to drive to Wayne's house at 16 kilometers per hour. How far is it between Jose's house and Wayne's house?
Answer This Question
Related Questions
 Math  Solving for Trig Equations  For the following equation, why cannot I not...
 Physics  Two identical traveling waves, moving in the same direction, are out ...
 Physics  Two identical traveling waves, moving in the same direction, are out ...
 Math  Find the limit of (2cosx+3cosx2)/(2cosx1)as x tends to pi/3.
 math  solve each equation for 0=/<x=/<2pi sin^2x + 5sinx + 6 = 0? how do ...
 pre calc  1. For the following functions listed below: (a) f(x) = 2cosx f(x...
 College Physics  Can someone check my answers for two and help me with the ...
 Pre Calculus  Having trouble verifying this identity... cscxtanx + secx= 2cosx ...
 math  tanx+secx=2cosx (sinx/cosx)+ (1/cosx)=2cosx (sinx+1)/cosx =2cosx ...
 Math  Differentiate (1 sinx) / (1 +sinx) How would I do this? The answer is (...
More Related Questions