Wait which 1 are yhu answering?
Answer:
I am not sure about this question sry but u can try asking a tutor
Answer:
x<-4
Step-by-step explanation:
open circle means 4 is not included
Answer:

Step-by-step explanation:
sin60° = 
tan60° = 
tan45° = 1
cos45° = 
(2sin60°)(3tan60°) - (4tan45°)(2cos45°)
now substitute the values of each trigonometrical angles





