Parallel circuit calculation help?

Posted on 2016-02-20 14:38:00 in Engineering by MIRA

An electrical circuit has the following three components connected in parallel to a 50 Hz AC supply: 
 120 Ω resistor 
 100 μF capacitor 
 A coil of resistance 25 Ω and inductance 0.5 H 

Here is information about the phasor diagrams: 
 Capacitive reactance (Xc ) leads resistance by 90° 
 Inductive reactance (Xl ) lags resistance by 90° 
 Xc=1/2πfc(Ω) 
 Xl=2πfL(Ω) 
 Sketch the circuit. 
 Calculate the reactance of each component. 
 Sketch a phasor diagram for the circuit. 
 Evaluate the impedance of the circuit, expressing your answer in Cartesian (rectangular) and polar form. 

Ok, so I drew the circuit and calculated the reactance of Xc and Xl. However, I'm stuck on calculating the the impedance of the circuit and expressing my answer in a rectangular and polar form. 
Any help would be appreciated. :D

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