Write the Word or Phrase That Best Completes Each Statement $$\sin \left( x + \frac { \pi } { 2 } \right) = \cos x$$

question 250

Essay

Write the word or phrase that best completes each statement or answers the question.
Establish the identity.
- $$\sin \left( x + \frac { \pi } { 2 } \right) = \cos x$$

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Definitions:

Con-man

A person who deceives others by lying or tricking them, often to gain money or advantage.

Remorse

A deep feeling of regret or guilt for a wrong committed.

Anorexia Nervosa

An eating disorder characterized by an obsessive fear of gaining weight and a refusal to maintain a healthy body weight.

Impulsive

Acting on spontaneous desires and feelings without considering the consequences or the appropriateness of the action.