Use a Calculator to Find the Approximate Value of the Expression

question 74

Multiple Choice

Use a calculator to find the approximate value of the expression rounded to two decimal places.
- $\cos 72 ^ { \circ }$

• A) \(0.36\)
• B) \(- 0.92\)
• C) \(- 0.97\)
• D) \(0.31\)

Recognize various research methodologies and their unique contributions to psychological studies.

Understand the essentiality of falsifiability in hypothesis testing and research design.

Know the importance of inter-rater reliability in ensuring the consistency of observations.

Recognize the significance and challenges of different research settings and participant sampling strategies.