Phasor diagram applications

An inductor and capacitor are connected in series to a source supplying voltage ${\text{V}}_{\text{S}}=17\sin (\omega t-\theta )$‍.

The voltage through the capacitor is is given by ${\text{V}}_{\text{C}}=8\sin (\omega t-90\mathrm{°})$‍ and that across the resistor is given by ${\text{V}}_{\text{R}}={\text{V}}_{0\text{R}}\sin (\omega t)$‍.