Complete the identity.
-$\frac { \cos ( \alpha - \beta ) } { \sin \alpha \cos \beta } = ?$
A) $\cos \alpha - \sin \beta$
B) $\cot \alpha - 1$
C) $\cot \alpha + \tan \beta$
D) $\cos \alpha + \sin \beta$

Question

Quizplus · Accepted Answer

Using trigonometric identities, $\frac { \cos ( \alpha - \beta ) } { \sin \alpha \cos \beta } = \frac{\cos \alpha \cos \beta + \sin \alpha \sin \beta}{\sin \alpha \cos \beta} = \frac{\cos \alpha}{\sin \alpha} + \frac{\sin \beta}{\cos \beta} = \cot \alpha + \tan \beta.$

Complete the Identity cos⁡(α−β)sin⁡αcos⁡β=?\frac { \cos ( \alpha - \beta ) } { \sin \alpha \cos \beta } = ?sinαcosβcos(α−β)​=?

Complete the Identity $\frac { \cos ( \alpha - \beta ) } { \sin \alpha \cos \beta } = ?$