math

Fill in the blank.
To find the area of any triangle, use one of the following three formulas: Area = __________.

a) 1/2 bc sin(A), 1/2ab sin(C), or 1/2ac sin(B)
b) a/sin(A), b/sin(B), or c/sin(C)
c)1/2bc cos(A), 1/2ab cos(C), or 1/2ac cos(B)
d)a/cos(A), b/cos(B), or c/cos(C)
e)1/2bc tan(A), 1/2ab tan(C), or 1/2ac tan(B)

I think it's A

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  1. correct

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