MCQ
$\int \frac{\sin x}{1+\sin x}$ dx = ______.
- Asec x - tan x - x + c
- Bsec x + tan x + x + c
- ✓sec x - tan x + x + c
- Dsec x + tan x - x + c
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| a. | Ornithophily | 1. | nocturnal flower |
| b. | Entomophily | 2. | light pollens |
| c. | Chiropterophily | 3. | funnel shaped corolla |
| d. | Anemophily | 4. | pleasant fragrance neactar |