What is cot A + cosec A equal to?

• A. \(\tan \left( \frac{A}{2} \right)\)
• B. \(\cot \left( \frac{A}{2} \right)\)
• C. \(2\tan \left( \frac{A}{2} \right)\)
• D. \(2\cot \left( \frac{A}{2} \right)\)