Evaluate the Expression $\tan \frac { a } { 2 }$

question 6

Multiple Choice

Evaluate the expression. $\tan \frac { a } { 2 }$

• A) \(\cos a + \cot a\)
• B) \(\cos a - \cot a\)
• C) \(\csc a - \cot a\)
• D) \(\csc a - \tan a\)
• E) \(\csc a + \cot a\)

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Definitions:

Monoglycerides

Fatty acids bonded to a glycerol molecule; a type of lipid used as an emulsifier in various food products.

Disaccharides

Carbohydrates composed of two monosaccharide molecules bonded together, such as sucrose and lactose.

Stomach Ulcers

Sores that develop on the lining of the stomach, upper small intestine, or esophagus, often resulting from Helicobacter pylori infection or the use of NSAIDs.

Helicobacter Pylori

A type of bacteria that infects the stomach lining and is associated with ulcers and some forms of stomach cancer.