The voltage, V(t), in volts of a south American power supply can be modeled by the function where t is the time, in seconds. V(t)= 300 sin 90π t +30 Find the time, when the first maximum occurs.

Question

The voltage, V(t), in volts of a south American power supply can be modeled by the function where t is the time, in seconds. V(t)= 300 sin 90π t +30 Find the time, when the first maximum occurs.

Answer 1

At what value of x is sin x the greatest value?

90πt = x

Solve for t and answer.