Evaluating Limits with Theta

Evaluate the limit. Give an exact answer.

lim Θ -> 0; tan 4(Θ) / 5(Θ)

Steps preferred. Thanks in advance.

tan 4θ/5θ = sin 4θ/cos 4θ • 1/5θ = sin 4θ/(4θ) • 1/cos 4θ •  4/5 --> 1 • 1 • 4/5 = 4/5