Cos 3 theta/sin 3 theta?

2 Answers
Apr 26, 2018

cot3theta

Explanation:

Using the identity cottheta = costheta/sintheta, we know that (cos3theta)/(sin3theta) = cot3theta

Apr 26, 2018

(cos 3t)/(sin 3t) = cot (3t)

Trig books give:

cot 3t = (3cot t - cot^3 t)/(1 - 3cot^2 t)