Evaluate the following trigonometric function at the quadrantal angle, or state that the expression is undefined.
cos pi/2

i would say b) is your answer

sorry if im wrong

step-by-step explanation:

step-by-step explanation:

well if you round, things become much more simple. round 5.95 to 6, 4.25 to 4, and 1.05 to 1. now, add 6+4+1 and that would equal 11. so the items together would equal to about $11.

-1/4 > -1 2/3. -1/4 is greater than -1 2/3 because it is closer to 0 on the number line.