Find the Amplitude, Period and Phase Shift Of $y = 2 \cos \left( 4 x - \frac { \pi } { 2 } \right)$

question 124

Essay

Find the amplitude, period and phase shift of $y = 2 \cos \left( 4 x - \frac { \pi } { 2 } \right)$
and sketch its graph.

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Definitions:

Anticipatory Repudiation

A declaration or action by a party indicating they will not fulfill their contractual obligations, allowing the other party to seek remedies.

Expressly Notifies

To inform or declare something in a direct and explicit manner.

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Items that meet the specifications and standards set forth in a purchase contract.

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The specific conditions and clauses outlined in a contract that dictate the obligations, rights, and duties of the parties involved.