MCQ
निम्नलिखित में किसका मान 1 के बराबर है ?
- A$\sin ^2 60^{\circ}+\cos 60^{\circ}$
- B$\sin 90^{\circ} \times \cos 90^{\circ}$
- C$\sin ^2 60^{\circ}$
- ✓$\sin 45^{\circ} \times \frac{1}{\cos 45^{\circ}}$
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| वर्ग | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 |
| बारंबारता | 15 | 20 | 45 | 15 | 25 |