Liza finished studying at 3:30
3:30
Half past means 30 min after
Hope this helped!
Answer:
tan3x=√3
tan3x=tan60,tan(180+60)
3x=60,240
:.x=20,80is your answer.
c=
Theta=1.57rad, 4.71rad, 0rad, 2π rad, π rad and –π rad