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 34

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.
-For an electrical circuit, the voltage $\mathrm { E }$ is modeled by $\mathrm { E } = 2.7 \cos 28 \pi \mathrm { t }$ , where $\mathrm { t }$ is the time in seconds. How many cycles are completed in one second?

• A) 14 cycles
• B) \(2.7\) cycles
• C) 28 cycles
• D) \(28 \pi\) cycles

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