MCQ
$\frac{1 - \text{sin} \theta + \text{cos} \theta}{1 - \text{sin} \theta - \text{cos} \theta}$ = ?
- ✓- cot $\frac{\theta}{2}$
- B- tan $\frac{\theta}{2}$
- Ctan $\frac{\theta}{2}$
- Dcot $\frac{\theta}{2}$
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i. Symptoms of malaria begin to appear 7 to 15 days after the bite of an infective mosquito.
ii. Initial symptoms of malaria are fever, headache and chills.