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Solve the Equation for Solutions Over the Interval [0 [0,2π)[ 0,2 \pi )

Question 307

Multiple Choice

Solve the equation for solutions over the interval [0, [0,2π) [ 0,2 \pi ) ) . Write solutions as exact values or to four decimal places, as
appropriate.
-In an electric circuit, the electromotive force is defined as V=cos⁡2πt\mathrm { V } = \cos 2 \pi \mathrm { t } , where t\mathrm { t } is time in seconds. Solve the equation for t\mathrm { t } .


A) t=2πcos⁡Vt = 2 \pi \cos V
B) t=12πcos⁡Vt = \frac { 1 } { 2 \pi } \cos \mathrm { V }
C) t=12πarccos⁡Vt = \frac { 1 } { 2 \pi } \arccos V
D) t=2πarccos⁡Vt = 2 \pi \arccos V

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