F(x) = sinx^3 f'(x) = cosx^3 * d/dx x^3 cosx^3 * 3x^2 so f'(1) = 3cos1 answer.
Use the chain rule which is derive outside then multiply by derivative of what's inside. X^3 is a function of x and can't be ignored like you did f'x=cos(x^3) * 3x^2 f'1=cos(1) * 3 Remember bout radian mode like your previous answerers have said.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.