SOLUTION: What is CSC of 9pi/2

Algebra ->  Trigonometry-basics -> SOLUTION: What is CSC of 9pi/2      Log On


   



Question 1035120: What is CSC of 9pi/2
Answer by Edwin McCravy(20062) About Me  (Show Source):
You can put this solution on YOUR website!
Subtract 2p
9pi%2F2-2pi=9pi%2F2-4pi%2F2+=+5pi%2F2
That's still not less than 2p
So subtract 2p again:
5pi%2F2-2pi=5pi%2F2-4pi%2F2+=+pi%2F2
So csc%289pi%2F2%29=csc%28pi%2F2%29=1%2Fsin%28pi%2F2%29=1%2F1=1
Edwin