diberikan f(x) = 3 cot x maka f'(pi/3) =

Mapel : Matematika
Kelas : XI SMA
Bab : Turunan

Pembahasan :
f(x) = 3 cot x
F'(x) = - 3/(Sin x)²
F'(60°) = - 3/(Sin 60)²
F'(60°) = - 3/(1/2 √3)²
F'(60°) = - 3/(3/4)
F'(60°) = - 12/3
F'(60°) = -4