Complete the Identity $$\frac { \cos 4 x - \cos 8 x } { \cos 4 x + \cos 8 x } = \text { ? }$$

question 147

Multiple Choice

Complete the identity.
- $$\frac { \cos 4 x - \cos 8 x } { \cos 4 x + \cos 8 x } = \text { ? }$$

• A) \(\tan 2 x \tan 6 x\)
• B) \(- \tan 6 x\)
• C) \(\cot 6 x\)
• D) 0