True
<span>Cos(A+B)=CosACosB-SinASinB
therefore Cos(A+A)= CosACosA - SinASinA
= Cos^2A - Sin^2A</span>
Answer:
4x Times the next point will be 11
Step-by-step explanation:
makes most sense mark as brainlst
The answer is 180°
Angles between straight lines are 180°
Hope this helps :))