Use a Calculator to Find the Acute Angle θ

question 92

Multiple Choice

Use a calculator to find the acute angle θ , to the nearest degree, that satisfies the equation.
-cos θ = 0.9

---

Definitions:

Physiology

The scientific study of the normal functions and mechanisms occurring within a living organism or its parts.

Franz Boas

A pioneering figure in anthropology, known for his comprehensive work on culture, language, and the concept of cultural relativism, challenging racial theories of the time.

Physical Differences

Variations in the anatomical structure, appearance, or physiological functions among individuals or species.

Ukkuqsi

An archaeological site located in Alaska, providing evidence of early human occupation in the Arctic region.