Find All Solutions Of $\cos ^ { 2 } x = \cos x + 6$

question 54

Essay

Find all solutions of $\cos ^ { 2 } x = \cos x + 6$ .

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Definitions:

Pessimistic

Having a negative outlook on the future or a situation, expecting the worst possible outcome.

Optimism

A mental attitude characterized by hope and confidence in success and a positive future.

Lyndon Baines Johnson

The 36th President of the United States, serving from 1963 to 1969, known for his domestic policies on civil rights, poverty, and healthcare.

Civil Rights Law

Legislation aimed at guaranteeing individuals the right to receive equal treatment and to be free from unfair treatment or discrimination.