CUET Preparation Today
The area bounded by the curve $y=3cos x$ and x-axis between $x=0$ and $x=2 \pi $ is : |
4 8 0 12 |
12 |
The correct answer is Option (4) → 12 $y=3\cos x$ and, as, $\int\limits_0^{\pi}|\cos x|dx=2$ $⇒\int\limits_0^{2\pi}|\cos x|dx=4$ $∴Area=3\int\limits_0^{2\pi}|\cos x|dx=3×4=12$ |
