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Find the Exact Value of the Composition cos(sin145)\cos \left( \sin ^ { - 1 } \frac { 4 } { 5 } \right)

Question 20

Multiple Choice

Find the exact value of the composition.
- cos(sin145) \cos \left( \sin ^ { - 1 } \frac { 4 } { 5 } \right)


A) 35- \frac { 3 } { 5 }
B) 15\frac { 1 } { 5 }
C) 45- \frac { 4 } { 5 }
D) 35\frac { 3 } { 5 }

Correct Answer:

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