Write the Given Expression as the Cosine of an Angle $$\cos 45 ^ { \circ } \cos 40 ^ { \circ } + \sin 45 ^ { \circ } \sin 40 ^ { \circ }$$

question 53

Multiple Choice

Write the given expression as the cosine of an angle.​ $$\cos 45 ^ { \circ } \cos 40 ^ { \circ } + \sin 45 ^ { \circ } \sin 40 ^ { \circ }$$

• A) \(\cos \left( 45 ^ { \circ } \right)\)
• B) \(\cos \left( 5 ^ { \circ } \right)\)
• C) \(\cos \left( - 80 ^ { \circ } \right)\)
• D) \(\cos \left( 40 ^ { \circ } \right)\)
• E) \(\cos \left( 85 ^ { \circ } \right)\)

Understand the historical figures' use of communication tools in leadership.

Recognize the importance of emotional management in conflict resolution and effective leadership.

Grasp the significance of a fulfilled need in personal development and motivation.

Differentiate between psychological needs and social values in the context of human motivation.