Both a) y=sin (x+ pi/2) and b) y=-cos(x-pi) has identical graphs.
The +- pi/2 shifts to the LEFT or RIGHT respectively. So the first plot is simply a cosine curve.
The second is a cosine shifted by pi, which gives -cos(x) but we have a negative out front so both (a) and (b) are cosine.
Answer:
The interquartile range is 10.
Step-by-step explanation:
(xu-xl)=10
Answer:
It is the value of the coin when it was originally purchased. t=0 y=3
Step-by-step explanation:
The y intercept is the value when t=0
It is the value of the coin when it was originally purchased. y=3
Volume = length x width x height