Q92 / 150 · MHT CET 2012 · Mathematics
The period of $|\cos x|$ will be
- A$\frac{\pi}{4}$
- B$\frac{\pi}{2}$
- Correct answerC$\pi$
- D$2 \pi$
Solution
Let $f(x)=|\cos x|$

From figure, it is clear that the period of $|\cos x|$ is $\pi$.

From figure, it is clear that the period of $|\cos x|$ is $\pi$.
Hence, the correct answer is option: 'C'.