Use a Sum or Difference Identity to Find the Exact $\tan \frac { 11 \pi } { 12 }$

question 441

Multiple Choice

Use a sum or difference identity to find the exact value.
- $\tan \frac { 11 \pi } { 12 }$

• A) \(2 + \sqrt { 3 }\)
• B) \(- 2 - \sqrt { 3 }\)
• C) \(2 - \sqrt { 3 }\)
• D) \(- 2 + \sqrt { 3 }\)

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Definitions:

Red Algae

Aquatic plants belonging to the phylum Rhodophyta, known for their reddish coloration due to phycoerythrin pigments.

Accessory Pigments

Pigments in photosynthetic organisms that absorb light energy and pass it to chlorophyll for photosynthesis, extending the range of light wavelengths that can be used.

Xanthophylls

A class of oxygen-containing carotenoid pigments responsible for many of the yellow, orange, and red hues in plants.

Alginic Acid

A polysaccharide distributed widely in the cell walls of brown algae, used as a food thickener and pharmaceutical ingredient.