Complete the Identity $$\frac { \sin \theta } { \cos \theta } + \frac { \cos \theta } { \sin \theta } = \text { ? }$$

question 352

Multiple Choice

Complete the identity.
- $$\frac { \sin \theta } { \cos \theta } + \frac { \cos \theta } { \sin \theta } = \text { ? }$$

• A) \(- 2 \tan ^ { 2 } \theta\)
• B) \(\sec \theta \csc \theta\)
• C) \(\sin \theta \tan \theta\)
• D) \(1 + \cot \theta\)

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Definitions:

Place Theory

The theory of hearing that holds that each individual pitch a person hears is determined by the particular location along the basilar membrane of the cochlea that vibrates the most.

Volley Principle

A theory in hearing that suggests groups of auditory neurons respond to a sound by firing action potentials slightly out of phase with each other, allowing for the perception of sounds up to 5000 Hz.

Pinna

The visible part of the ear that resides outside the head, which plays a role in capturing sound waves and funneling them into the ear canal.

Earlobe

The soft, fleshy part of the lower portion of the external ear, which varies widely in shape and size across individuals.