Answer:
-18
Step-by-step explanation:
I think it might be 15n + 12 sorry if it’s not
Answer:
B
Step-by-step explanation:
Let me know if you need an explanation.
Answer: Option C is correct
Step-by-step explanation:
We know tha tCos(A-B) = cosA cosB + sinAsinB
Plugging A = 180 and B = Ф
cos(180-Ф)= cos180cosФ+sin180sinФ
= (-1) cosФ+ (0) sinФ [ since cos180=-1 and sin180 =0]
= -cosФ + 0
= -cosФ
Therefore option C is the correct answer.
Answer: 12+x=-3(4-x) = x = 12
Step-by-step explanation:
Not sure if you want the explaintion but ill give you an answer its : x = 12
