Answer:
(4, -3)
Step-by-step explanation:
You just divide each coordinate by 3.
Answer:
B
Step-by-step explanation:
Cos²(x) + sin²(x)
¹/₂[1 - cos(2x)] + ¹/₂[1 + cos(2x)]
[¹/₂ - ¹/₂cos(2x)] + [¹/₂ + ¹/₂cos(2x)]
¹/₂ + ¹/₂ - ¹/₂cos(2x) + ¹/₂cos(2x)
1
Well you can check what type of angle it is! like depending on how it is slouched like a right angle is 90° for example.
Step-by-step explanation:
Option B