I attached a free body diagram for a better understanding of this problem.
We start making summation of Moments in A,



Then we make a summation of Forces in Y,



At the end we calculate the angle with the sin.


The answer is a tell me if I am wrong.
Ranboo oobnar have a good day
Answer:
it is an 3d array of structure which involves inopperation methods
Explanation:
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