✓ 1 MARKS
MCQ
🔥 APPEARED IN 6 BOARD SETS
$\int \frac{\cos 2x}{\sin^2 x \cos^2 x} \, dx$ is equal to :
A
$\cot x + \tan x + C$
B
$-\cot x + \sec x + C$
C
$-\cot x + \tan x + C$
D
$-(\tan x + \cot x) + C$
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series Other | Set 1 | Question 8 |
| CBSE 2025 | Series 65-5 | Set 2 | Question 11 |
| CBSE 2024 | Series Other | Set 1 | Question 14 |
| CBSE 2023 | Series Other | Set 1 | Question 11 |
| CBSE 2023 | Series Other | Set 1 | Question 15 |
| CBSE 2023 | Series Other | Set 1 | Question 12 |
02 // OFFICIAL CBSE MARKING SCHEME BREAKDOWN
- Step 1: Stating the fundamental formula / law statement (+1 Mark)
- Step 2: Intermediate mathematical substitution or proof steps (+1 Mark)
- Step 3: Correct final value or conclusion with mandatory SI units (+1 Mark)