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(-15*(cos(5*x-pi))^2*sin(5*x-pi))'The calculation above is a derivative of the function f (x)
(-15*(cos(5*x-pi))^2)'*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
((-15)'*(cos(5*x-pi))^2-15*((cos(5*x-pi))^2)')*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
(0*(cos(5*x-pi))^2-15*((cos(5*x-pi))^2)')*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
(0*(cos(5*x-pi))^2-15*2*(cos(5*x-pi))^(2-1)*(cos(5*x-pi))')*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
(0*(cos(5*x-pi))^2-15*2*(cos(5*x-pi))^(2-1)*-sin(5*x-pi)*(5*x-pi)')*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
(0*(cos(5*x-pi))^2-15*2*(cos(5*x-pi))^(2-1)*-sin(5*x-pi)*((5*x)'+(-pi)'))*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
(0*(cos(5*x-pi))^2-15*2*(cos(5*x-pi))^(2-1)*-sin(5*x-pi)*(5*(x)'+(5)'*x+(-pi)'))*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
(0*(cos(5*x-pi))^2-15*2*(cos(5*x-pi))^(2-1)*-sin(5*x-pi)*(5*(x)'+0*x+(-pi)'))*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
(0*(cos(5*x-pi))^2-15*2*(cos(5*x-pi))^(2-1)*-sin(5*x-pi)*(0*x+(-pi)'+5*1))*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
(0*(cos(5*x-pi))^2-15*2*(cos(5*x-pi))^(2-1)*(0+5)*(-sin(5*x-pi)))*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
(0*(cos(5*x-pi))^2-15*2*(cos(5*x-pi))^(2-1)*5*(-sin(5*x-pi)))*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
(0*(cos(5*x-pi))^2-15*2*(cos(5*x-pi))^(2-1)*-5*sin(5*x-pi))*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
(0*(cos(5*x-pi))^2-15*-10*cos(5*x-pi)*sin(5*x-pi))*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
150*cos(5*x-pi)*sin(5*x-pi)*sin(5*x-pi)-15*(cos(5*x-pi))^2*(sin(5*x-pi))'
150*cos(5*x-pi)*sin(5*x-pi)*sin(5*x-pi)-15*(cos(5*x-pi))^2*cos(5*x-pi)*(5*x-pi)'
150*cos(5*x-pi)*sin(5*x-pi)*sin(5*x-pi)-15*(cos(5*x-pi))^2*cos(5*x-pi)*((5*x)'+(-pi)')
150*cos(5*x-pi)*sin(5*x-pi)*sin(5*x-pi)-15*(cos(5*x-pi))^2*cos(5*x-pi)*(5*(x)'+(5)'*x+(-pi)')
150*cos(5*x-pi)*sin(5*x-pi)*sin(5*x-pi)-15*(cos(5*x-pi))^2*cos(5*x-pi)*(5*(x)'+0*x+(-pi)')
150*cos(5*x-pi)*sin(5*x-pi)*sin(5*x-pi)-15*(cos(5*x-pi))^2*cos(5*x-pi)*(0*x+(-pi)'+5*1)
150*cos(5*x-pi)*sin(5*x-pi)*sin(5*x-pi)-15*(cos(5*x-pi))^2*(0+5)*cos(5*x-pi)
150*cos(5*x-pi)*sin(5*x-pi)*sin(5*x-pi)-15*(cos(5*x-pi))^2*5*cos(5*x-pi)
150*(sin(5*x-pi))^2*cos(5*x-pi)-(75*(cos(5*x-pi))^3)
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