Question

What is the derivative of -sinx ??

Answer 1

Do you remember the derivative of sinx?

Answer 2

cosx

Answer 3

Constant coefficients can be pulled outside of the differentiation process.
Pull the negative 1 out front and see what u get!\[\Large\bf\sf (-\sin x)'\quad=\quad -(\sin x)'\quad = \quad?\]

Answer 4

Differentiate the thing inside the brackets.

Answer 5

-cos

Answer 6

thank you

Answer 7

yay gj \c:/