Solve the problem.
-For an electrical circuit, the voltage $E$ is modeled by $\mathrm { E } = 2.7 \cos 30 \pi \mathrm { t }$, where $t$ is the time in seconds. How many cycles are completed in one second?
A) $30 \pi$ cycles
B) $2.7$ cycles
C) 30 cycles
D) 15 cycles

Question

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The Answer of Solve the problem.
-For an electrical circuit, the voltage $E$ is modeled by $\mathrm { E } = 2.7 \cos 30 \pi \mathrm { t }$, where $t$ is the time in seconds. How many cycles are completed in one second?
A) $30 \pi$ cycles
B) $2.7$ cycles
C) 30 cycles
D) 15 cycles

Solve the Problem EEE Is Modeled By E=2.7cos⁡30πt\mathrm { E } = 2.7 \cos 30 \pi \mathrm { t }E=2.7cos30πt

Solve the Problem $E$ Is Modeled By $\mathrm { E } = 2.7 \cos 30 \pi \mathrm { t }$