Find the Exact Value of the Expression If θ = $$f ( \theta ) = \cos \theta \quad \text { Find } f ( \theta ) \text {. }$$

question 161

Multiple Choice

Find the exact value of the expression if θ = 45°. Do not use a calculator.
- $$f ( \theta ) = \cos \theta \quad \text { Find } f ( \theta ) \text {. }$$

• A) \(\frac { \sqrt { 3 } } { 3 }\)
• B) \(\sqrt { 2 }\)
• C) \(\frac { \sqrt { 2 } } { 2 }\)
• D) \(- \frac { \sqrt { 2 } } { 2 }\)

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Definitions:

Consideration

Something of value exchanged between parties in a contract, making the agreement legally binding.

Inadequate Consideration

A situation in a contractual agreement where the value exchanged between parties is significantly disproportionate or deemed insufficient.

Fraud

Deliberate deception to secure unfair or unlawful gain, or to deprive a victim of a legal right.

Contract

A legally binding agreement between two or more parties that is enforceable by law, characterized by an offer, acceptance, consideration, and mutual intent to be bound.