Complete the Identity $$\frac { ( \sin \theta + \cos \theta ) ^ { 2 } } { 1 + 2 \sin \theta \cos \theta } = \text { ? }$$

question 141

Multiple Choice

Complete the identity.
- $$\frac { ( \sin \theta + \cos \theta ) ^ { 2 } } { 1 + 2 \sin \theta \cos \theta } = \text { ? }$$

• A) 0
• B) \(1 - \sin \theta\)
• C) 1
• D) \(- \sec ^ { 2 } \theta\)

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Definitions:

Iris

The colored ring of muscle that surrounds the pupil of the eye, controlling the size of the pupil and the amount of light that enters.

Accommodation

In psychology, it refers to the cognitive process of revising existing cognitive schemas, perceptions, and understanding so that new information can be incorporated.

Lens

A curved piece of glass or other transparent material that focuses or refracts light, used in optical devices like glasses, cameras, and microscopes.

Retina

A thin layer of tissue at the back of the eye that contains the cells responsible for converting light into neural signals for vision.