Question

derivar
f(x)=ln(cos x)​

Answer 1

Respuesta:

es f(x)=-tan(x)

Explicación paso a paso:

f(x)=d/dg(in(cos(x)))

F'(x) = d/dg (in (g) ) × d/dx ( cos(x))

F(x)=1/g × d/dx (cos(x))

F(x)= 1/g ×(-sin(x))

F(x)= 1/cos(x) ×(-sin(x))

f (x)= -Sin(x)/cos(x)

F(x) = -tan (x)