How to differentiate 2-cosx? Is dy/dx= sin x??
Follow Math Help Forum on Facebook and Google+
Hi, Originally Posted by maybeline9216 Is dy/dx= sin x?? If $\displaystyle y=2-\cos x$, yes, that's correct.
Originally Posted by maybeline9216 How to differentiate 2-cosx? Is dy/dx= sin x?? Yes it's correct. If $\displaystyle y = 2 - \cos{x}$, then $\displaystyle \frac{dy}{dx} = \frac{d}{dx}(2) - \frac{d}{dx}(\cos{x})$ $\displaystyle = 0 - (-\sin{x})$ $\displaystyle = \sin{x}$.
View Tag Cloud