Use a Calculator to Give the Real Number Value $$y = \cos ^ { - 1 } ( 0.8910 )$$

question 104

Multiple Choice

Use a calculator to give the real number value. Round the answer to 7 decimal places.
- $$y = \cos ^ { - 1 } ( 0.8910 )$$

• A) \(0.5063492\)
• B) \(0.4712533\)
• C) \(0.4365083\)
• D) \(1.1000010\)

---

Definitions:

Conifers

A group of cone-bearing seed plants, predominantly evergreens, that includes pines, spruces, and firs, among others.

Herbivores

Organisms that feed exclusively or mostly on plant matter.

Intense Sunlight

A condition characterized by strong, direct sunlight with a high level of ultraviolet radiation, often leading to increased temperature and potential for sunburn.

Spongy Mesophyll

The loosely arranged mesophyll cells near the lower epidermis in certain leaves. Compare with palisade mesophyll.