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Find the Exact Value of the Expression, If Possible sin(sec1x2+4x)\sin \left( \sec ^ { - 1 } \frac { \sqrt { x ^ { 2 } + 4 } } { x } \right)

Question 202

Multiple Choice

Find the exact value of the expression, if possible. Do not use a calculator.
- sin(sec1x2+4x) \sin \left( \sec ^ { - 1 } \frac { \sqrt { x ^ { 2 } + 4 } } { x } \right)


A) 2x2+4x2+4\frac { 2 \sqrt { x ^ { 2 } + 4 } } { x ^ { 2 } + 4 }
B) xx2+2x2+2\frac { x \sqrt { x ^ { 2 } + 2 } } { x ^ { 2 } + 2 }
C) ×2\times \sqrt { 2 }
D) x2+2x2+2\frac { \sqrt { x ^ { 2 } + 2 } } { x ^ { 2 } + 2 }

Correct Answer:

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