Answer:
0.8660
Step-by-step explanation:
cosine theta = -1/2
theta = cosinearctan(-0.5)
theta = 120
sine4theta = sine 4(120)
= sine480
= 0.8660
Answer:
it should be 17.9, I don't really know how to explain it I'm sorry-
Answer:
30 tens
90 is the greatest number of tens
Answer:
Zero
Step-by-step explanation:
Zero
3x+17=2x-6
-2x -2x * subtract 2x from both sides* *3x-2x is 1x*
1x+17=-6 *now subtract 17 from both sides*
-17 -17
1x=-23
1x. 1x
x=23
