Question
Write the range of the function $\text{f(x)}=\cos[\text{x}],$ where $\frac{-\pi}{2}<\text{x}<\frac{\pi}{2}$
$\text{f}(\text{x})=\cos[\text{x}], \text{where}\frac{-\pi}{2}<\text{x}<\frac{\pi}{2}$
clearly,Range
$(\cos[\text{x}])= \{1,\cos1,\cos2\}$Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Class | 10 - 20 | 20 - 30 | 30 - 40 | 40 - 50 | 50 - 60 |
| Frequency | 6 | 13 | 10 | 5 | 3 |
Write the number of terms in the expansion of $(2+\sqrt{3}\text{x})^{10}+(2-\sqrt{3}\text{x})^{10}.$