Solve the Equation in the Interval $[ 0,2 \pi )$ $\cos ^ { 2 } x = \cos x + 6$

question 13

Essay

Solve the equation in the interval $[ 0,2 \pi )$
. $\cos ^ { 2 } x = \cos x + 6$

---

Definitions:

Income Statement

A financial document that shows a company's revenues, expenses, and net income over a specific period of time.

Revenue Expenditures

Payments made for ordinary maintenance of an asset or unnecessary or unreasonable situations.

Plant Assets

Long-term tangible assets used in the production of goods or services.

Capital Expenditures

Original cost of an asset as well as additions or enlargements, extraordinary repairs, and betterments.