MCQ
વિધેય $\sin x-\cos x$ એ $ ........ $ માં વધતું વિધેય છે.
- A$\left[\frac{3 \pi}{4}, \frac{7 \pi}{4}\right]$
- B$\left[0, \frac{3 \pi}{4}\right)$
- C$\left[\frac{\pi}{4}, \frac{3 \pi}{4}\right]$
- Dએક પણ નહી
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