Find Cos a and Round to the Nearest Ten-Thousandth If

question 98

Multiple Choice

Find cos A and round to the nearest ten-thousandth if a = 12, b = 10, and c = 15.6.

• A)0.7692
• B)0.8333
• C)0.6410
• D)1.200

---

Definitions:

HCl

HCl, or hydrochloric acid, is a strong, corrosive acid commonly used in laboratory and industrial applications, and naturally present in gastric acid to aid in digestion.

Enzymatic Digestion

Enzymatic digestion involves the breakdown of food by enzymes into absorbable substances in the digestive system.

Carbohydrates

Organic compounds consisting of carbon, hydrogen, and oxygen, which serve as a major source of energy for living organisms.

Salivary Glands

Glands in the mouth that produce saliva, which begins the process of digestion and helps protect the mouth from pathogens.