Write the Word or Phrase That Best Completes Each Statement $$\text { Is it correct to say that the value of } \cos 45 = \frac { \sqrt { 2 } } { 2 } \text { ? Explain your answer. }$$

question 52

Essay

Write the word or phrase that best completes each statement or answers the question.
- $$\text { Is it correct to say that the value of } \cos 45 = \frac { \sqrt { 2 } } { 2 } \text { ? Explain your answer. }$$

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Definitions:

Geometric Sequence

An ordered list of numbers in which every term succeeding the initial one is obtained by multiplying the preceding term by a constant, non-zero value known as the ratio.

Nth Term

The term located at position n in a sequence, where n represents a particular position number.

Formula

A formula is a mathematical equation or rule expressed in symbols.

Arithmetic Sequence

An ordered series of numbers where each number following the initial one is derived by adding a fixed difference to the term before it.