Answer:
Could you put this in english so that i'm able to answer..?
Step-by-step explanation:
Cos(x) = sin(90 - x)
cos(53) = sin(90 - 53)
cos(53) = sin(37)
letter d is one of the irrational numbers
A^2 + B^2 = C^2
6^2 + B^2 = 7^2
36 + B^2 = 49
B^2 = 13
B = 3.61
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