All of the equations that would give infinitely many solutions are given as follows:
Thus the correct answer is option 3 and option 5.
Answer: 80
Step-by-step explanation:
Sin x = cos (90-x)
Like sin 30 = cos (90-30) =cos 60
So
90-x=90-80
Then
X=80
Verify your solution by finding the sum of the angles of sin and cos, it will be 90
Answer:
Reflection across y=0
Step-by-step explanation:
The Y axis splits the octagon in half, so if it was reflected it would be mapped onto itself.
Answer:
x=-0.6
Step-by-step explanation:
-3x-3=-1
-3x=-1+3
-3x=2
x=-2/3
The answer is the first one