MCQ
$1+\cot ^2 \theta=?$
- A$\tan ^2 \theta$
- B$\sec ^2 \theta$
- C
- D$\cos ^2 \theta$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Height $($in $cm)$ | No. of Students | Cumulative Frequency |
| $150-155$ | $16$ | $16$ |
| $155-160$ | $12$ | $28$ |
| $160-165$ | $9$ | $37$ |
| $165-170$ | $7$ | $44$ |
| $170-175$ | $10$ | $54$ |
| $175-180$ | $6$ | $60$ |