1)Sin(29)=x/(30cm)
x=Sin(29)30cm
so be A is correct.
2) Cos A= a/b is correct because it is not true according to triangle.
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Answer:

Step-by-step explanation:


Simplify to the answer.
Hope this helped!
Yes, the relation shown is a function because every element in the domain has only one distinct image in the co-domain.
Step-by-step explanation:
I think answer A should be the correct answer