Find by drawing the resultant of two vectors 3 units and 4 unit inclined to each other at 30,90,20

3 answers

two vectors can only involve one angle.
So what's the 30,90,30 supposed to mean?

in any case, use the law of cosines to find the magnitude,
then use the law of sines to find the angle

But i need the solving pls

Working and the diagram

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