Question

differentiate y= sinx + 3cosx​

Answer 1

Step-by-step explanation:

By the Sum Rule, the derivative of 3cos(x)+sin(x) 3 cos ( x ) + sin ( x ) with respect to x x is ddx[3cos(x)]+ ddx[sin(x)] d d x [ 3 cos ( x ) ] + d d x [ sin ( x ) ] .