From a point P, the ships R, V are observed bearings 325degreesT and 47degreesT respectively, whilst from a point Q 10km due north of P the ships R, V bear 310degreesT and 79degreesT respectively.

i) Show that PQ = 10sin50/sin15 and obtain similar expression for PV

dont realli get how to draw the diagram at all , doesnt make sense to me =/// !!

any help is GREATLY appreciated !!!

thankyou !