SOLUTION: is The value of cosine of pi divided by 2 is 0

Algebra ->  Trigonometry-basics -> SOLUTION: is The value of cosine of pi divided by 2 is 0      Log On


   

Question 754904: is The value of cosine of pi divided by 2 is 0
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
pi = 180 degrees
cos (pi) = -1
Divided by 2
= -1/2