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Given the triangle shown here, the first steps in the proof of the law of sines are:

ASet sinA = b/k and sinB = k/a and solve for k in both equations.
BSet sinA = k/b and sinB = a/k and solve for k in both equations.
CSet sinA = -k/b and sinB = -k/a and solve for k in both equations.
DSet sinA = k/b and sinB = k/a and solve for k in both equation.

Given the triangle shown here, the first steps in the proof of the law of sines are: A. Set sinA = b/k and sinB = k/a and solve for k in both equations. B. Set class=

Verified Answer :

metchelle

Based on the given figure above, if you look at the right triangles, for angle A, b would be the hypotenuse

and for angle B, a would be the hypotenuse

in both triangles, k would be the opposite side. Base on this, we can conclude that the correct answer would be the last option or option D. Hope this answer helps. 

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