Answer:
The answer is A.
Step-by-step explanation:
I took the test!
Answer:
Answer:
Step-by-step explanation:
Step-by-step explanation:
The value is .54 hope this helped
Answer:
0.8660
Step-by-step explanation:
cosine theta = -1/2
theta = cosinearctan(-0.5)
theta = 120
sine4theta = sine 4(120)
= sine480
= 0.8660