Determine If the Following Is an Identity $$\tan ^ { 2 } x = \sec ^ { 2 } x - \sin ^ { 2 } x - \cos ^ { 2 } x$$

Multiple Choice

Determine if the following is an identity.
- $$\tan ^ { 2 } x = \sec ^ { 2 } x - \sin ^ { 2 } x - \cos ^ { 2 } x$$

A) Not an identity
B) Identity