Answer:

Step-by-step explanation:
is an angle in the third quadrant
To find the reference angle subtract π from it
reference angle =
- π = 
It would seem that the 25% down and 25% increase would cancel each other out and the shoes would remain $60
Answer:
w-10-5
Step-by-step explanation:
you are looking for the expression right??
Answer:
f(x)=1.5cos(16πx)+1.5
(Question on a Quiz was correct)