The Function Graphed Is of the Form Y $$y = a \sin b x \text { or } y = a \cos b x , \text { where } b > 0$$

question 17

Multiple Choice

The function graphed is of the form y $$y = a \sin b x \text { or } y = a \cos b x , \text { where } b > 0$$ Determine the equation of the graph.
-The voltage $\mathrm { E }$ in an electrical circuit is given by $\mathrm { E } = 5.6 \cos 40 \pi \mathrm { t }$ , where $t$ is time measured in seconds. Find the frequency of the function (that is, find the number of cycles or periods completed in one second) .

• A) \(\frac { 1 } { 40 }\)
• B) \(\frac { 1 } { 20 }\)
• C) 40
• D) 20

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Definitions:

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The act of retrieving information or memories from the past, which are stored in the brain.

Method Of Loci

An ancient mnemonic technique that involves visualizing items to be remembered along a familiar path or location to enhance memory recall.

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The process of getting something back, or accessing information stored in the memory.

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The specific position or area within a three-dimensional space where an object or person is located.