Answer:
9
Step-by-step explanation:
54+81=9(6+9)
9 times 9 equals 81
-9
There are the same signs so you'd just add them together and use whatever sign they are..
Step-by-step explanation:
write the one digit in the square of each of the following numbers
a.13
Answer:
0
Step-by-step explanation:
(sin(2n) − 1) / (sin n − cos n)
-(1 − sin(2n)) / (sin n − cos n)
-(1 − 2 sin n cos n) / (sin n − cos n)
-(sin² n − 2 sin n cos n + cos² n) / (sin n − cos n)
-(sin n − cos n)² / (sin n − cos n)
-(sin n − cos n)
cos n − sin n
Limit as n approaches π/4 is 0.
Answer:
2sqrt(13)
Step-by-step explanation:
x = sqrt(36 + 16)
x = sqrt(52)
x = sqrt(4*13) = 2sqrt(13)
