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given u = cos(x), therefore du/dx=-sin(x), as tan(x)=sin(x)/cos(x), can rewrite tan(x)=(-du/dx)/u, therefore integral can become [(-1/u)du], after inegrating you are left with -ln(u)+c, therefore ln(1/u)+...

Therefore, y = x^xcan then natural log both sides leaving ln(y) = xln(x) then differentiating both sides wrst to x d/dx(ln(y)=xln(x))we are then left with this expression (dy/dx)(1/y)=ln(x)+1 mu...

Resolving all forces in the vertical gives the normal force as 10gcos(30). Resolving all forces normal to the slope gives the frictional force as 2gcos(30) (given Friction = mu*R). Using second law, F=ma....

En ce qui concerne la santé et le bien-être, on ne peut pas sous-estimer l'importance d'une routine quotidienne. Pour cette raison, j'essaie de maintenir un régime stricte chaque jour de légumes, poulet e...

A decrease in interest rate results in an increase in demand for real money balances, which accelerates spending, as well making investment desirable that further increases the output. This can be demonst...