Use an Addition or Subtraction Formula to Write $\sin 74 ^ { \circ } \cos 14 ^ { \circ } - \cos 74 ^ { \circ } \sin 14 ^ { \circ }$

question 80

Essay

Use an addition or subtraction formula to write $\sin 74 ^ { \circ } \cos 14 ^ { \circ } - \cos 74 ^ { \circ } \sin 14 ^ { \circ }$ and find its exact value.

---

Definitions:

Typewriter

A mechanical or electromechanical machine for writing characters similar to those produced by printer's movable type, typically by means of keys struck by the operator.

Inherent

Existing as a natural or essential part of something.

Recency Effect

The tendency to remember the most recently presented information best, often observed in serial position effect experiments.

Iconic Memory

A component of the visual memory system which is a brief, transient sensory memory of visual stimuli.