No Because it is less than -30
Given:

It's required to find cos 2θ.
We use the formula:

Substituting:

Operating:

Answer: 1/25
Answer:
73,83,93,103,113,123,143,153,163,173,183,193
Step-by-step explanation:
i dont know how many you need so i added more
Answer:
i believe this is geometric
Step-by-step explanation: