Question

what is cot 3 theata formula????​

Answer 1

Answer:

Step-by-step explanation:

rigonometric Identities

Basic Definitions

double-angle for cotangent $ \cot 2\theta = \frac{\cot^2 \theta - 1}{2 \cot \theta}\, $

Triple-Angle Formulas

triple-angle for sine $ \begin{align}\sin 3\theta & = 3 \cos^2\theta \sin\theta - \sin^3\theta \\ & = 3\sin\theta - 4\sin^3\theta \end{align} $