Solve the problem.
-For an electrical circuit, the voltage $E$ is modeled by $E = 2.7 \cos 38 \pi t$, where $t$ is the time in seconds. How many cycles are completed in one second?
A) 38 cycles
B) $38 \pi$ cycles
C) 19 cycles
D) $2.7$ cycles

Question

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The Answer of Solve the problem.
-For an electrical circuit, the voltage $E$ is modeled by $E = 2.7 \cos 38 \pi t$, where $t$ is the time in seconds. How many cycles are completed in one second?
A) 38 cycles
B) $38 \pi$ cycles
C) 19 cycles
D) $2.7$ cycles

Solve the Problem EEE Is Modeled By E=2.7cos⁡38πtE = 2.7 \cos 38 \pi tE=2.7cos38πt

Solve the Problem $E$ Is Modeled By $E = 2.7 \cos 38 \pi t$