The instantaneous value of current, i amp, at t seconds is given by

The instantaneous value of current, i amp, at t seconds is given by:

i = 15 sin(100pi t +0.6)

Find the value of 

a) the amplitude 

b) the period 

c) the frequency 

d) the initial phase angle (when t=0), expressed in both radians and degrees

e) the value of i when t =2.5s 

f) the time (in milliseconds) when current first reaches its maximum value

 

 

 

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