Use the Fundamental Identities to Simplify the Expression $\cos x ( \csc x - \sec x ) - \cot x$

question 432

Multiple Choice

Use the fundamental identities to simplify the expression.
- $\cos x ( \csc x - \sec x ) - \cot x$

• A) \(- 1\)
• B) \(\cos ^ { 2 } x - \tan ^ { 2 } x\)
• C) 0
• D) 1

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Definitions:

Cheyne-Stokes

A pattern of breathing characterized by a gradual increase in depth followed by a decrease, resulting in temporary cessations of breathing typically associated with heart failure or neurological conditions.

Tachypnea

Abnormally rapid rate of breathing.

Apnea

Absence of respirations for a period of time.

Hyperventilation

Respiratory rate in excess of that required to maintain normal carbon dioxide levels in the body tissues.