Answer:
90°
Step-by-step explanation:
because from south to east is half of north which makes it 90°
You can use the sum and difference identities which for cosine is cos(a+b)= cosacosb-sinasinb
Answer:5x times -7
Step-by-step explanation:
You ignore the brackets and move the 2x to the other side. Then move the 4 to the other side
You forgot to put the picture I’m sorry
