Answer:
cos-1(-4/14)
Step-by-step explanation:
If
4.5=r
3.5=s
2=t
By law of cosines:
Answer:
ngl i learned this type of math pretty sure, and that looks better than my teachers own notes-
Step-by-step explanation:
ima go poof again cuz if i don't ima lose my game ;-;
Answer:
3
Step-by-step explanation: