Answer:
Reference angle is
and tan
= -1
Step-by-step explanation:
lies in the 4th quadrant
and reference angle for angle in 4th quadrant is 2π - x , where x is the angle given.
and reference angle for
is
2π-
= 
and tan
= -tan
= -1
Since tan is negative in 4th quadrant ,therefore value will be negative for the given angle.
Answer:
Yes
Step-by-step explanation:
Question
Answer:
(5r - 20)
Step-by-step explanation:
(3r + 14) + (Ar + B) = (8r - 6)
B = -6 - 14 = -20
A = 8 - 3 = 5
Answer:
Step-by-step explanation:
1 hour=60 min
7 hours=60×7=420 min
number of blink=420×13=5460