I could use some help! I do not get this at all. Rules: No links please :)
2 answers:
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Answer:
a=41.8 BC=2.8
Step-by-step explanation:
sin30/6=sinx/8
8*sin30=6sinx
4=6sinx
sin^-1(4/6)
angle a
cosine rule
bc^2=3^2 +5^2-2(3)(5)*cos30
BC^2=
BC=2.83
2.8
Answer:
(-5, 1), or (-2, 4)
Step-by-step explanation:
*Look at the file - I'm sorry, I know it is so bad, but it was the best way for me to explain :P
