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Evaluate the Integral 0π1cos2xdx\int _ { 0 } ^ { \pi } \sqrt { 1 - \cos ^ { 2 } x } d x

Question 237

Multiple Choice

Evaluate the integral.
- 0π1cos2xdx\int _ { 0 } ^ { \pi } \sqrt { 1 - \cos ^ { 2 } x } d x


A) 22\frac { \sqrt { 2 } } { 2 }
B) 0
C) 2
D) 2\sqrt { 2 }

Correct Answer:

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