MCQ
$\sin ^2 \theta+\sin ^2(90-\theta)=?$
- A0
- ✓1
- C2
- D$\sqrt{2}$
$\sin ^2 \theta+\sin ^2(90-\theta)=\sin ^2 \theta+\cos ^2 \theta=1$.
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| Length ( in cm) | 2.0 – 2.5 | 2.5 – 3.0 | 3.0 – 3.5 | 3.5 – 4.0 | 4.0 – 4.5 |
| No. of nails | 5 | 18 | 7 | 11 | 9 |