Find the Exact Value of the Expression, If Possible $$\tan \left( \sec ^ { - 1 } \frac { \sqrt { x ^ { 2 } + 9 } } { x } \right)$$

question 200

Multiple Choice

Find the exact value of the expression, if possible. Do not use a calculator.
- $$\tan \left( \sec ^ { - 1 } \frac { \sqrt { x ^ { 2 } + 9 } } { x } \right)$$

• A) \(\frac { 3 } { x }\)
• B) \(\frac { x \sqrt { x ^ { 2 } + 9 } } { x ^ { 2 } + 9 }\)
• C) \(3 x\)
• D) \(\frac { \sqrt { x ^ { 2 } + 3 } } { x ^ { 2 } + 3 }\)

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