Rewrite the Following as a Product of Trigonometric Functions $\sin 1 ^ { \circ } - \sin 37 ^ { \circ }$

question 378

Multiple Choice

Rewrite the following as a product of trigonometric functions.
- $\sin 1 ^ { \circ } - \sin 37 ^ { \circ }$

• A) \(2 \sin 19 ^ { \circ } \sin \left( - 18 ^ { \circ } \right)\)
• B) \(2 \cos 19 ^ { \circ } \cos \left( - 18 ^ { \circ } \right)\)
• C) \(2 \cos 19 ^ { \circ } \sin \left( - 18 ^ { \circ } \right)\)
• D) \(2 \sin 19 ^ { \circ } \cos \left( - 18 ^ { \circ } \right)\)

---

Definitions:

External Validity

The extent to which the results of a study can be generalized to other situations, people, settings, and times.

Generalizability

Generalizability is the extent to which research findings and conclusions can be applied to other settings, groups, or situations beyond the original study.

Research Findings

These are the outcomes or results obtained from conducting scientific studies, experiments, or research, which can contribute to the existing knowledge on a topic.

Interaction

Situation in which the effect of one independent variable on the dependent variable changes, depending on the level of another independent variable.