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Vector problem, please help!

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1. The problem statement, all variables and given/known data
With the diagram and the data answer the question: What is the magnitude of A + B?


2. Relevant equations
DATA: θ1 = 37.7 deg, θ2 = 133.7 deg, A = 5.0cm, B =6.6cm.


3. The attempt at a solution
I have no idea where to start
 

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Tom Mattson

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What methods of vector addition have you learned? Usually 3 are taught: head-to-tail, the parallellogram method, and componentwise addition. Have you learned how to find the components of a vector?
 

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