15b+18=30+3b
15b=30+3b-18
15b=3b+12
15b-3b=12
12b=12
B=1
Can you explain a little more
An Independent variable can change the dependent variable because the independent variable can be changed alone while a dependent variable can also be changed by another variable.
correct me if I am wrong.
Answer:5X+2=4X-9\quad :\quad X=-11
Step-by-step explanation:
5X+2=4X-9
5X+2-2=4X-9-2
5X=4X-11
5X-4X=4X-11-4X
X=-11
First we need to see in which quadrant 11pi/6 lies And it lies in fourth quadrant. And to find the reference angle in the fourth quadrant, we need to subtract the given angle from 2 pi . For e.g if the angle is 5pi/3, then the reference angle is 2pi - (5pi/3) = pi/3 .
So for the given question, reference angle of 11pi/6 is

And that's the required reference angle .