You work as a technical engineer in a company that designs and installs 4G and LTE [wireless cellular networks] solutions for mobile networks like Zain, Orange and Umniah. Your role includes designing...

please i need the solution for brunch (A,B,C)

Extracted text: You work as a technical engineer in a company that designs and installs 4G and LTE [wireless cellular networks] solutions for mobile networks like Zain, Orange and Umniah. Your role includes designing and optimizing new communications solutions, which requires a good knowledge in sinusoidal signals and their properties. Throughout a new project, your manager has requested your feedback on the following cases. Task 1: An alternating current in a 4G signal transmitter is expressed as I = 5 sin(120nt + 0.52), I in mA, t in s, Find: A. The amplitude, period, frequency and phase shift (phase at time = 0, in degrees) of I B. The value of the current I at: i. t=0 ii. t= 1/60 iii. t= 1/30 iv. t= 1/15 What do you notice about your results? C. If the phase of the current I is 1 radians, what is the time at this instance.