MCQ
$x$ ની કેટલી કિમત માટે $sin2x + sin4x = 2$ થાય
- ✓$0$
- B$1$
- Cઅનત
- Dઆમાંથી એક પણ નહીં
$\sin 2 x=1, \sin 4 x=1$
$2 \mathrm{x}=\mathrm{n} \pi+(-1)^{\mathrm{n}} \frac{\pi}{2}, 4 \mathrm{x}=\mathrm{m} \pi+(-1)^{\mathrm{m}} \frac{\pi}{2}$
$x=\frac{n \pi}{2}+(-1)^{n} \frac{\pi}{4}, \quad x=\frac{m \pi}{4}+(-1)^{m} \frac{\pi}{8}$
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