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(cos(x)/(sin(x)+2))'The calculation above is a derivative of the function f (x)
((cos(x))'*(sin(x)+2)-(cos(x)*(sin(x)+2)'))/((sin(x)+2)^2)
(-sin(x)*(sin(x)+2)-(cos(x)*(sin(x)+2)'))/((sin(x)+2)^2)
(-sin(x)*(sin(x)+2)-(cos(x)*((sin(x))'+(2)')))/((sin(x)+2)^2)
(-sin(x)*(sin(x)+2)-(cos(x)*(cos(x)+(2)')))/((sin(x)+2)^2)
(-sin(x)*(sin(x)+2)-(cos(x)*(cos(x)+0)))/((sin(x)+2)^2)
(-sin(x)*(sin(x)+2)-(cos(x)*cos(x)))/((sin(x)+2)^2)
-(((sin(x)+2)*sin(x)+(cos(x))^2)*(sin(x)+2)^-2)
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