Express the Function as a Trigonometric Function of X $$1 + \tan ^ { 2 } x = \frac { \cos ^ { 2 } x } { 1 - \cos ^ { 2 } x }$$

question 34

Multiple Choice

Express the function as a trigonometric function of x.
- $$1 + \tan ^ { 2 } x = \frac { \cos ^ { 2 } x } { 1 - \cos ^ { 2 } x }$$

• A) Identity
• B) Not an Identity

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