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Determine the Exact Value Of cos1(22)\cos ^ { - 1 } \left( \frac { \sqrt { 2 } } { 2 } \right)

Question 65

Multiple Choice

Determine the exact value of cos1(22) \cos ^ { - 1 } \left( \frac { \sqrt { 2 } } { 2 } \right) .


A) π2\frac { \pi } { 2 }
B) π4\frac { \pi } { 4 }
C) π3\frac { \pi } { 3 }
D) π6\frac { \pi } { 6 }
E) 3π4\frac { 3 \pi } { 4 }

Correct Answer:

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