SOLUTION: solve the following equation for the given value of x: y= cos x; for x = 4 pie

Algebra ->  Trigonometry-basics -> SOLUTION: solve the following equation for the given value of x: y= cos x; for x = 4 pie      Log On


   



Question 229280: solve the following equation for the given value of x:
y= cos x; for x = 4 pie

Found 2 solutions by rfer, Alan3354:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
y=cos x
y=cos(4*3.14)
y=cos 12.56
y=0.976

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
y= cos x; for x = 4 pie
----
y = cos(x) = cos(4pi) = 1
It's pi, the Greek letter, not pie, the dessert.