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(5*cos(5*x)*cos(x)-(sin(x)*sin(5*x)))'The calculation above is a derivative of the function f (x)
(5*cos(5*x)*cos(x))'+(-(sin(x)*sin(5*x)))'
(5*cos(5*x))'*cos(x)+5*cos(5*x)*(cos(x))'+(-(sin(x)*sin(5*x)))'
((5)'*cos(5*x)+5*(cos(5*x))')*cos(x)+5*cos(5*x)*(cos(x))'+(-(sin(x)*sin(5*x)))'
(0*cos(5*x)+5*(cos(5*x))')*cos(x)+5*cos(5*x)*(cos(x))'+(-(sin(x)*sin(5*x)))'
(0*cos(5*x)+5*-sin(5*x)*(5*x)')*cos(x)+5*cos(5*x)*(cos(x))'+(-(sin(x)*sin(5*x)))'
(0*cos(5*x)+5*-sin(5*x)*((5)'*x+5*(x)'))*cos(x)+5*cos(5*x)*(cos(x))'+(-(sin(x)*sin(5*x)))'
(0*cos(5*x)+5*-sin(5*x)*(0*x+5*(x)'))*cos(x)+5*cos(5*x)*(cos(x))'+(-(sin(x)*sin(5*x)))'
(0*cos(5*x)+5*-sin(5*x)*(0*x+5*1))*cos(x)+5*cos(5*x)*(cos(x))'+(-(sin(x)*sin(5*x)))'
(0*cos(5*x)+5*5*(-sin(5*x)))*cos(x)+5*cos(5*x)*(cos(x))'+(-(sin(x)*sin(5*x)))'
(0*cos(5*x)+5*-5*sin(5*x))*cos(x)+5*cos(5*x)*(cos(x))'+(-(sin(x)*sin(5*x)))'
5*cos(5*x)*(cos(x))'-25*sin(5*x)*cos(x)+(-(sin(x)*sin(5*x)))'
5*cos(5*x)*(-sin(x))-25*sin(5*x)*cos(x)+(-(sin(x)*sin(5*x)))'
(sin(x))'*sin(5*x)-25*sin(5*x)*cos(x)-5*sin(x)*cos(5*x)+sin(x)*(sin(5*x))'
cos(x)*sin(5*x)-25*sin(5*x)*cos(x)-5*sin(x)*cos(5*x)+sin(x)*(sin(5*x))'
cos(x)*sin(5*x)-25*sin(5*x)*cos(x)-5*sin(x)*cos(5*x)+sin(x)*cos(5*x)*(5*x)'
cos(x)*sin(5*x)-25*sin(5*x)*cos(x)-5*sin(x)*cos(5*x)+sin(x)*cos(5*x)*((5)'*x+5*(x)')
cos(x)*sin(5*x)-25*sin(5*x)*cos(x)-5*sin(x)*cos(5*x)+sin(x)*cos(5*x)*(0*x+5*(x)')
cos(x)*sin(5*x)-25*sin(5*x)*cos(x)-5*sin(x)*cos(5*x)+sin(x)*cos(5*x)*(0*x+5*1)
cos(x)*sin(5*x)-25*sin(5*x)*cos(x)-5*sin(x)*cos(5*x)+sin(x)*5*cos(5*x)
-25*sin(5*x)*cos(x)-(cos(x)*sin(5*x))-(5*cos(5*x)*sin(x))-(5*sin(x)*cos(5*x))
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