SOLUTION: how do you change 0 , 90 , 180 , and 270 into pi numbers on a graph the question im trying to solve is : graph the equation y=2cosx in the interval 0<x<2pi

Algebra ->  Trigonometry-basics -> SOLUTION: how do you change 0 , 90 , 180 , and 270 into pi numbers on a graph the question im trying to solve is : graph the equation y=2cosx in the interval 0<x<2pi      Log On


   

Question 616321: how do you change 0 , 90 , 180 , and 270 into pi numbers on a graph
the question im trying to solve is : graph the equation y=2cosx in the interval 0
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Since +2%2Api+=+360+ degrees
+pi+=+180+ degrees
+pi%2F2+=+90+ degrees
+0%2Api+=+0+ degrees
Here's the graph:
+graph%28+400%2C+400%2C+-1%2C+2%2Api%2C+-2%2C+2%2C+2%2Acos%28x%29+%29+