Question

Y=cosx what will will dy/dx be ​

Answer 1

`→y = \cos(x) \\ \boxed{(dy)/(dx) = - \sin(x) }✓`

• dy/dx=-sin(x) is the right answer.

Answer 2

9514 1404 393

Answer:

y' = -sin(x)

Explanation:

Your table of derivatives of trig functions tells you the derivative of the cosine is the opposite of the sine.

dy/dx = -sin(x)