Evaluate the Expression $$\arccos \left( - \frac { 2 } { 3 } \right)$$

question 3

Multiple Choice

Evaluate the expression.Round your result to two decimal places.​ $$\arccos \left( - \frac { 2 } { 3 } \right)$$ ​

• A)0.30
• B)1.30
• C)4.30
• D)3.30
• E)2.30

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Definitions:

Surface Structure

In linguistics, the outward form of a sentence, which can vary without changing the core meaning.

Deep Structure

A concept in linguistics, referring to the underlying syntactic structure or meaning of a sentence, as opposed to its surface structure.

Transformational Grammar

A linguistic theory proposed by Noam Chomsky that describes how deep structures of language are transformed into surface structures.

Deep Structure

In linguistics, the underlying syntactic structure or meaning of a sentence, as opposed to its surface form.