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

question 3

Multiple Choice

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

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Definitions:

Munitions

Military weapons, ammunition, and equipment used in warfare.

D-Day

The Allied invasion of Normandy, France, on June 6, 1944, a pivotal event during World War II that led to the liberation of Western Europe from Nazi control.

Normandy

a region in France known for its role in the D-Day landings of June 6, 1944, during World War II, which marked the beginning of the end of the war in Europe.