let y=log (4 + cos x) then dy/dx =d(log (4 + cos x) )/dx
apply chain rule of differetiation dy/dx=1/cosx * d(cosx)/dx dy/dx=1/cosx *(-sinx)*d(x)/dx dy/dx= 4 (-sin x/cos x)dy/dx= 4 -tan x
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?