Find the Expression as the Sine or Cosine of an Angle

question 133

Multiple Choice

Find the expression as the sine or cosine of an angle.
$\cos 100 ^ { \circ } \cos 60 ^ { \circ } - \sin 100 ^ { \circ } \sin 60 ^ { \circ }$

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Definitions:

Mammals

The class of vertebrates characterized by hair, mammary glands, a diaphragm, and differentiation of teeth.

DNA Sequences

The order of nucleotides in a DNA molecule, determining genetic information and characteristics of living organisms.

Gorilla

A large, primarily herbivorous ape native to the forests of central Sub-Saharan Africa and one of the closest living relatives to humans.

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