1 Prove

SiN(A)/a = Sin(C)/c
and
Sin(B)/b = Sin(C)/c
by drawing perpendiculars to the other sides.

2.What

Question

1.Prove SiN(A)/a = Sin(C)/c and Sin(B)/b = Sin(C)/c by drawing perpendiculars to the other sides.

2.What

is the least information you need to know to use the sine law:

a.To calculate an unknown side?

b.To calculate an unknown angle?

Trigonometry