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Find the Exact Value of the Expression cos[sin123+2sin1(13)]\cos \left[ \sin ^ { - 1 } \frac { 2 } { 3 } + 2 \sin ^ { - 1 } \left( - \frac { 1 } { 3 } \right) \right]

Question 108

Multiple Choice

Find the exact value of the expression.
- cos[sin123+2sin1(13) ]\cos \left[ \sin ^ { - 1 } \frac { 2 } { 3 } + 2 \sin ^ { - 1 } \left( - \frac { 1 } { 3 } \right) \right]


A) 265\frac { 2 \sqrt { 6 } } { 5 }
B) 235\frac { 2 \sqrt { 3 } } { 5 }
C) 23+2109\frac { 2 \sqrt { 3 } + 2 \sqrt { 10 } } { 9 }
D) 75+8227\frac { 7 \sqrt { 5 } + 8 \sqrt { 2 } } { 27 }

Correct Answer:

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