Question: A generator produces an alternating voltage, according to the function: = 240 cos (2 +/3) where v is voltage in kV and t is time

A generator produces an alternating voltage, according to the function:

= 240 cos (2 +/3)

where v is voltage in kV and t is time in seconds.

i) Plot the voltage as a function of time t for 0 < 2.

ii) Using algebra, determine the exact times (0 < 2) when the voltage exceeds 160kV

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