Write the Given Expression as an Algebraic Expression $0$ B) $2 x \sqrt { 1 - x ^ { 2 } }$

question 29

Multiple Choice

Write the given expression as an algebraic expression. cos(arccos x - arcsin x)

• A) \(0\)
• B) \(2 x \sqrt { 1 - x ^ { 2 } }\)
• C) \(\frac { \left( x \sqrt { 1 - x ^ { 2 } } - x \right) \left( \sqrt { x ^ { 2 } + 1 } \right) } { x ^ { 2 } + 1 }\)
• D)1
• E) \(\frac { \left( x \sqrt { 1 - x ^ { 2 } } + x \right) \left( \sqrt { x ^ { 2 } + 1 } \right) } { x ^ { 2 } + 1 }\)

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Definitions:

Short-Term Memory

A limited-capacity store that can maintain unrehearsed information for about 20 to 30 seconds.

Phonological Loop

A component of working memory model that deals with the auditory information, playing a key role in the processing and storage of verbal and auditory data.

Visuospatial Sketchpad

A component of working memory responsible for the temporary storage and manipulation of visual and spatial information.

Short-Term Memory

The part of the memory system that is responsible for holding small amounts of information in an active, readily available state for a short duration.