\( \int_{0}^{\frac{3 \pi}{4}}|\cos x| d x=? \)

A \( \frac{\sqrt{2}}{2} \)

B \( 1 - \frac{\sqrt{2}}{2} \)

C \( 2 - \frac{1}{\sqrt{2}} \)

D None of these

Solution

Correct Answer: Option C

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